References
2 Butler, B.J., 3.5-cm Radar Investigation of Mars and Mercury: Planetological Implications, Ph.D. thesis, California Institute of Technology, 1994. 3 Butler, B. J., D. O. Muhleman, and M. A. Slade, Mercury: Full Disk Radar Images and the Detection and Stability of Ice at the North Pole, J. Geophys. Rev., 98, 15,003-15,023, 1993. 4 Clancy, R. T., D. O. Muhleman, G. L. Berge, Global Changes in the 0-70 km Thermal Structure of the Mars Atmosphere Derived from 1975 to 1989 Microwave CO Spectra, J. Geophys. Res., 95, 14,543-14,554, 1990. 5 Clancy, R. T., A. W. Grossman and D. O. Muhleman, Mapping Mars Water Vapor with the Very Large Array, ICARUS, 100, 48-59, 1992. 6 Cruikshank, D.P., T.L. Roush, T.C. Owen, T.R. Geballe, C. de Bergh, B. Schmitt, R.H. Brown, and M.J. Bartholomew, Ices on the Surface of Triton, Science, 261, 742-745, 1993. 7 Espenak, F., M. J. Mumma, and T. Kostiuk, Ground-Based Infrared Measurements of the Global Distribution of Ozone in the Atmosphere of Mars, ICARUS, 92, 252-262, 1991. 8 Griffith, C.A., Evidence for Surface Heterogenity on Titan, Nature, 364, 511-514, 1993. 9 Griffith, C.A., T.C. Owen, and R. Wagener, Titan's Surface and Troposphere, Investigated with Groundbased, Near-infrared Observations, ICARUS, 93, 362-378, 1991. 10 Hanel, R., B. Conrath, F.M. Flasar, V. Kunde, W. Maguire, J. Pearl, J. Pirraglia, R. Samuelson, L. Herath, M. Allison, D. Cruikshank, D. Gautier, P. Gierasch, L. Horn, R. Koppany, and C. Ponnamperuma, Infrared observations of the Saturnian system from Voyager 1, Science, 212, 192-200, 1981. 11 Harmon, J. K. and M. A. Slade, Radar Mapping of Mercury: Full-Disk Delay-Doppler Mapping, Science, 258, 640-643, 1992. 12 Harmon, J. K., M. A. Slade, R. A. Velez, A. Crespo, M. J. Dryer, and J. M. Johnson, Radar Mapping of Mercury's Anomalies, Nature, 369, 213-215, 1994. 13 Jewitt, D. and J. Luu, Discovery of the Candidate Kuiper Belt Object 1992 QB, Nature, 362, 730-732, 1993. 14 G.P. Kuiper, in Astrophysics (ed. Hynek, J.A.), 357-424, McGraw-Hill, 1951. 15 Kunde, V.G., A. C. Aikin, R.A. Hanel, D.E. Jennings, W.C. Maguire, and R.E. Samuelson, CH, HCN and CN in Titan's Atmosphere, Nature, 292, 686-688, 1981. 16 Lemmon, M.T., E. Karkoschka, and M. Tomoasko, Titan's Rotation: Surface Features Observed, ICARUS 103, 329-332, 1993. 17 Lindal, G.F., G.E. Wood, H.B. Holtz, D.N. Sweetnam, V.R. Eshleman, and G.L. Tyler, The atmosphere of Titan, ICARUS, 53, 348-363, 1983. 18 Lunine, J.I., D.J. Stevenson, and Y.L. Yung, Ethane Ocean on Titan, Science, 222, 1229-1230, 1983. 19 Muhleman, D. O., B. J. Butler, A. W. Grossman and M. A. Slade, Radar Images of Mars, Science, 253, 1508-1513, (1991). 20 Muhleman, D. O., A. W. Grossman, and B. J. Butler, Radar Investigations of Mars, Mercury, and Titan, Ann. Rev. of Earth and Planetary Science, in press, 1995. 21 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Radar Reflectivity of Titan, Science, 248, 975-980, 1990. 22 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, The Surface of Titan and Titan's Rotation: What is Radar Telling Us?, Bull. Am. Astron. Soc., 24, 954, 1992. 23 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Titan's Radar Reflectivity and Rotation, Bull. Am. Astron. Soc., 25, 1099, 1993. 24 Owen, T.C., T.L. Roush, D.P. Cruikshank, J.L. Elliot, L.A. Young, C. de Bergh, B. Schmitt, T.R. Geballe, R.H. Brown, and M.J. Bartholomew, Surface Ices and the Atmospheric Composition of Pluto, Science 261, 745, 1993. 25 Paige, D. A., S. E. Wood and A. R. Vasavada, The Thermal Stability of Water Ice at the Poles of Mercury, Science, 258, 643-646, 1992. 26 Samuelson, R.E., R.A. Hanel, V.G. Kunde, and W.C. Maguire, The mean molecular weight and hydrogen abundance of Titan's atmosphere, Nature 292, 688-693, 1981. 27 Sargent, A.I. and S.V.W. Beckwith, The Search for Forming Planetary Systems, Physics Today, 46, 22, 1993. 28 Slade, M. A., B. J. Butler, and D. O. Muhleman, Mercury Radar Imaging: Evidence for Polar Ice, Science, 258, 635-640, 1992. 29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
3 Butler, B. J., D. O. Muhleman, and M. A. Slade, Mercury: Full Disk Radar Images and the Detection and Stability of Ice at the North Pole, J. Geophys. Rev., 98, 15,003-15,023, 1993. 4 Clancy, R. T., D. O. Muhleman, G. L. Berge, Global Changes in the 0-70 km Thermal Structure of the Mars Atmosphere Derived from 1975 to 1989 Microwave CO Spectra, J. Geophys. Res., 95, 14,543-14,554, 1990. 5 Clancy, R. T., A. W. Grossman and D. O. Muhleman, Mapping Mars Water Vapor with the Very Large Array, ICARUS, 100, 48-59, 1992. 6 Cruikshank, D.P., T.L. Roush, T.C. Owen, T.R. Geballe, C. de Bergh, B. Schmitt, R.H. Brown, and M.J. Bartholomew, Ices on the Surface of Triton, Science, 261, 742-745, 1993. 7 Espenak, F., M. J. Mumma, and T. Kostiuk, Ground-Based Infrared Measurements of the Global Distribution of Ozone in the Atmosphere of Mars, ICARUS, 92, 252-262, 1991. 8 Griffith, C.A., Evidence for Surface Heterogenity on Titan, Nature, 364, 511-514, 1993. 9 Griffith, C.A., T.C. Owen, and R. Wagener, Titan's Surface and Troposphere, Investigated with Groundbased, Near-infrared Observations, ICARUS, 93, 362-378, 1991. 10 Hanel, R., B. Conrath, F.M. Flasar, V. Kunde, W. Maguire, J. Pearl, J. Pirraglia, R. Samuelson, L. Herath, M. Allison, D. Cruikshank, D. Gautier, P. Gierasch, L. Horn, R. Koppany, and C. Ponnamperuma, Infrared observations of the Saturnian system from Voyager 1, Science, 212, 192-200, 1981. 11 Harmon, J. K. and M. A. Slade, Radar Mapping of Mercury: Full-Disk Delay-Doppler Mapping, Science, 258, 640-643, 1992. 12 Harmon, J. K., M. A. Slade, R. A. Velez, A. Crespo, M. J. Dryer, and J. M. Johnson, Radar Mapping of Mercury's Anomalies, Nature, 369, 213-215, 1994. 13 Jewitt, D. and J. Luu, Discovery of the Candidate Kuiper Belt Object 1992 QB, Nature, 362, 730-732, 1993. 14 G.P. Kuiper, in Astrophysics (ed. Hynek, J.A.), 357-424, McGraw-Hill, 1951. 15 Kunde, V.G., A. C. Aikin, R.A. Hanel, D.E. Jennings, W.C. Maguire, and R.E. Samuelson, CH, HCN and CN in Titan's Atmosphere, Nature, 292, 686-688, 1981. 16 Lemmon, M.T., E. Karkoschka, and M. Tomoasko, Titan's Rotation: Surface Features Observed, ICARUS 103, 329-332, 1993. 17 Lindal, G.F., G.E. Wood, H.B. Holtz, D.N. Sweetnam, V.R. Eshleman, and G.L. Tyler, The atmosphere of Titan, ICARUS, 53, 348-363, 1983. 18 Lunine, J.I., D.J. Stevenson, and Y.L. Yung, Ethane Ocean on Titan, Science, 222, 1229-1230, 1983. 19 Muhleman, D. O., B. J. Butler, A. W. Grossman and M. A. Slade, Radar Images of Mars, Science, 253, 1508-1513, (1991). 20 Muhleman, D. O., A. W. Grossman, and B. J. Butler, Radar Investigations of Mars, Mercury, and Titan, Ann. Rev. of Earth and Planetary Science, in press, 1995. 21 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Radar Reflectivity of Titan, Science, 248, 975-980, 1990. 22 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, The Surface of Titan and Titan's Rotation: What is Radar Telling Us?, Bull. Am. Astron. Soc., 24, 954, 1992. 23 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Titan's Radar Reflectivity and Rotation, Bull. Am. Astron. Soc., 25, 1099, 1993. 24 Owen, T.C., T.L. Roush, D.P. Cruikshank, J.L. Elliot, L.A. Young, C. de Bergh, B. Schmitt, T.R. Geballe, R.H. Brown, and M.J. Bartholomew, Surface Ices and the Atmospheric Composition of Pluto, Science 261, 745, 1993. 25 Paige, D. A., S. E. Wood and A. R. Vasavada, The Thermal Stability of Water Ice at the Poles of Mercury, Science, 258, 643-646, 1992. 26 Samuelson, R.E., R.A. Hanel, V.G. Kunde, and W.C. Maguire, The mean molecular weight and hydrogen abundance of Titan's atmosphere, Nature 292, 688-693, 1981. 27 Sargent, A.I. and S.V.W. Beckwith, The Search for Forming Planetary Systems, Physics Today, 46, 22, 1993. 28 Slade, M. A., B. J. Butler, and D. O. Muhleman, Mercury Radar Imaging: Evidence for Polar Ice, Science, 258, 635-640, 1992. 29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
4 Clancy, R. T., D. O. Muhleman, G. L. Berge, Global Changes in the 0-70 km Thermal Structure of the Mars Atmosphere Derived from 1975 to 1989 Microwave CO Spectra, J. Geophys. Res., 95, 14,543-14,554, 1990. 5 Clancy, R. T., A. W. Grossman and D. O. Muhleman, Mapping Mars Water Vapor with the Very Large Array, ICARUS, 100, 48-59, 1992. 6 Cruikshank, D.P., T.L. Roush, T.C. Owen, T.R. Geballe, C. de Bergh, B. Schmitt, R.H. Brown, and M.J. Bartholomew, Ices on the Surface of Triton, Science, 261, 742-745, 1993. 7 Espenak, F., M. J. Mumma, and T. Kostiuk, Ground-Based Infrared Measurements of the Global Distribution of Ozone in the Atmosphere of Mars, ICARUS, 92, 252-262, 1991. 8 Griffith, C.A., Evidence for Surface Heterogenity on Titan, Nature, 364, 511-514, 1993. 9 Griffith, C.A., T.C. Owen, and R. Wagener, Titan's Surface and Troposphere, Investigated with Groundbased, Near-infrared Observations, ICARUS, 93, 362-378, 1991. 10 Hanel, R., B. Conrath, F.M. Flasar, V. Kunde, W. Maguire, J. Pearl, J. Pirraglia, R. Samuelson, L. Herath, M. Allison, D. Cruikshank, D. Gautier, P. Gierasch, L. Horn, R. Koppany, and C. Ponnamperuma, Infrared observations of the Saturnian system from Voyager 1, Science, 212, 192-200, 1981. 11 Harmon, J. K. and M. A. Slade, Radar Mapping of Mercury: Full-Disk Delay-Doppler Mapping, Science, 258, 640-643, 1992. 12 Harmon, J. K., M. A. Slade, R. A. Velez, A. Crespo, M. J. Dryer, and J. M. Johnson, Radar Mapping of Mercury's Anomalies, Nature, 369, 213-215, 1994. 13 Jewitt, D. and J. Luu, Discovery of the Candidate Kuiper Belt Object 1992 QB, Nature, 362, 730-732, 1993. 14 G.P. Kuiper, in Astrophysics (ed. Hynek, J.A.), 357-424, McGraw-Hill, 1951. 15 Kunde, V.G., A. C. Aikin, R.A. Hanel, D.E. Jennings, W.C. Maguire, and R.E. Samuelson, CH, HCN and CN in Titan's Atmosphere, Nature, 292, 686-688, 1981. 16 Lemmon, M.T., E. Karkoschka, and M. Tomoasko, Titan's Rotation: Surface Features Observed, ICARUS 103, 329-332, 1993. 17 Lindal, G.F., G.E. Wood, H.B. Holtz, D.N. Sweetnam, V.R. Eshleman, and G.L. Tyler, The atmosphere of Titan, ICARUS, 53, 348-363, 1983. 18 Lunine, J.I., D.J. Stevenson, and Y.L. Yung, Ethane Ocean on Titan, Science, 222, 1229-1230, 1983. 19 Muhleman, D. O., B. J. Butler, A. W. Grossman and M. A. Slade, Radar Images of Mars, Science, 253, 1508-1513, (1991). 20 Muhleman, D. O., A. W. Grossman, and B. J. Butler, Radar Investigations of Mars, Mercury, and Titan, Ann. Rev. of Earth and Planetary Science, in press, 1995. 21 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Radar Reflectivity of Titan, Science, 248, 975-980, 1990. 22 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, The Surface of Titan and Titan's Rotation: What is Radar Telling Us?, Bull. Am. Astron. Soc., 24, 954, 1992. 23 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Titan's Radar Reflectivity and Rotation, Bull. Am. Astron. Soc., 25, 1099, 1993. 24 Owen, T.C., T.L. Roush, D.P. Cruikshank, J.L. Elliot, L.A. Young, C. de Bergh, B. Schmitt, T.R. Geballe, R.H. Brown, and M.J. Bartholomew, Surface Ices and the Atmospheric Composition of Pluto, Science 261, 745, 1993. 25 Paige, D. A., S. E. Wood and A. R. Vasavada, The Thermal Stability of Water Ice at the Poles of Mercury, Science, 258, 643-646, 1992. 26 Samuelson, R.E., R.A. Hanel, V.G. Kunde, and W.C. Maguire, The mean molecular weight and hydrogen abundance of Titan's atmosphere, Nature 292, 688-693, 1981. 27 Sargent, A.I. and S.V.W. Beckwith, The Search for Forming Planetary Systems, Physics Today, 46, 22, 1993. 28 Slade, M. A., B. J. Butler, and D. O. Muhleman, Mercury Radar Imaging: Evidence for Polar Ice, Science, 258, 635-640, 1992. 29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
5 Clancy, R. T., A. W. Grossman and D. O. Muhleman, Mapping Mars Water Vapor with the Very Large Array, ICARUS, 100, 48-59, 1992. 6 Cruikshank, D.P., T.L. Roush, T.C. Owen, T.R. Geballe, C. de Bergh, B. Schmitt, R.H. Brown, and M.J. Bartholomew, Ices on the Surface of Triton, Science, 261, 742-745, 1993. 7 Espenak, F., M. J. Mumma, and T. Kostiuk, Ground-Based Infrared Measurements of the Global Distribution of Ozone in the Atmosphere of Mars, ICARUS, 92, 252-262, 1991. 8 Griffith, C.A., Evidence for Surface Heterogenity on Titan, Nature, 364, 511-514, 1993. 9 Griffith, C.A., T.C. Owen, and R. Wagener, Titan's Surface and Troposphere, Investigated with Groundbased, Near-infrared Observations, ICARUS, 93, 362-378, 1991. 10 Hanel, R., B. Conrath, F.M. Flasar, V. Kunde, W. Maguire, J. Pearl, J. Pirraglia, R. Samuelson, L. Herath, M. Allison, D. Cruikshank, D. Gautier, P. Gierasch, L. Horn, R. Koppany, and C. Ponnamperuma, Infrared observations of the Saturnian system from Voyager 1, Science, 212, 192-200, 1981. 11 Harmon, J. K. and M. A. Slade, Radar Mapping of Mercury: Full-Disk Delay-Doppler Mapping, Science, 258, 640-643, 1992. 12 Harmon, J. K., M. A. Slade, R. A. Velez, A. Crespo, M. J. Dryer, and J. M. Johnson, Radar Mapping of Mercury's Anomalies, Nature, 369, 213-215, 1994. 13 Jewitt, D. and J. Luu, Discovery of the Candidate Kuiper Belt Object 1992 QB, Nature, 362, 730-732, 1993. 14 G.P. Kuiper, in Astrophysics (ed. Hynek, J.A.), 357-424, McGraw-Hill, 1951. 15 Kunde, V.G., A. C. Aikin, R.A. Hanel, D.E. Jennings, W.C. Maguire, and R.E. Samuelson, CH, HCN and CN in Titan's Atmosphere, Nature, 292, 686-688, 1981. 16 Lemmon, M.T., E. Karkoschka, and M. Tomoasko, Titan's Rotation: Surface Features Observed, ICARUS 103, 329-332, 1993. 17 Lindal, G.F., G.E. Wood, H.B. Holtz, D.N. Sweetnam, V.R. Eshleman, and G.L. Tyler, The atmosphere of Titan, ICARUS, 53, 348-363, 1983. 18 Lunine, J.I., D.J. Stevenson, and Y.L. Yung, Ethane Ocean on Titan, Science, 222, 1229-1230, 1983. 19 Muhleman, D. O., B. J. Butler, A. W. Grossman and M. A. Slade, Radar Images of Mars, Science, 253, 1508-1513, (1991). 20 Muhleman, D. O., A. W. Grossman, and B. J. Butler, Radar Investigations of Mars, Mercury, and Titan, Ann. Rev. of Earth and Planetary Science, in press, 1995. 21 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Radar Reflectivity of Titan, Science, 248, 975-980, 1990. 22 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, The Surface of Titan and Titan's Rotation: What is Radar Telling Us?, Bull. Am. Astron. Soc., 24, 954, 1992. 23 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Titan's Radar Reflectivity and Rotation, Bull. Am. Astron. Soc., 25, 1099, 1993. 24 Owen, T.C., T.L. Roush, D.P. Cruikshank, J.L. Elliot, L.A. Young, C. de Bergh, B. Schmitt, T.R. Geballe, R.H. Brown, and M.J. Bartholomew, Surface Ices and the Atmospheric Composition of Pluto, Science 261, 745, 1993. 25 Paige, D. A., S. E. Wood and A. R. Vasavada, The Thermal Stability of Water Ice at the Poles of Mercury, Science, 258, 643-646, 1992. 26 Samuelson, R.E., R.A. Hanel, V.G. Kunde, and W.C. Maguire, The mean molecular weight and hydrogen abundance of Titan's atmosphere, Nature 292, 688-693, 1981. 27 Sargent, A.I. and S.V.W. Beckwith, The Search for Forming Planetary Systems, Physics Today, 46, 22, 1993. 28 Slade, M. A., B. J. Butler, and D. O. Muhleman, Mercury Radar Imaging: Evidence for Polar Ice, Science, 258, 635-640, 1992. 29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
6 Cruikshank, D.P., T.L. Roush, T.C. Owen, T.R. Geballe, C. de Bergh, B. Schmitt, R.H. Brown, and M.J. Bartholomew, Ices on the Surface of Triton, Science, 261, 742-745, 1993. 7 Espenak, F., M. J. Mumma, and T. Kostiuk, Ground-Based Infrared Measurements of the Global Distribution of Ozone in the Atmosphere of Mars, ICARUS, 92, 252-262, 1991. 8 Griffith, C.A., Evidence for Surface Heterogenity on Titan, Nature, 364, 511-514, 1993. 9 Griffith, C.A., T.C. Owen, and R. Wagener, Titan's Surface and Troposphere, Investigated with Groundbased, Near-infrared Observations, ICARUS, 93, 362-378, 1991. 10 Hanel, R., B. Conrath, F.M. Flasar, V. Kunde, W. Maguire, J. Pearl, J. Pirraglia, R. Samuelson, L. Herath, M. Allison, D. Cruikshank, D. Gautier, P. Gierasch, L. Horn, R. Koppany, and C. Ponnamperuma, Infrared observations of the Saturnian system from Voyager 1, Science, 212, 192-200, 1981. 11 Harmon, J. K. and M. A. Slade, Radar Mapping of Mercury: Full-Disk Delay-Doppler Mapping, Science, 258, 640-643, 1992. 12 Harmon, J. K., M. A. Slade, R. A. Velez, A. Crespo, M. J. Dryer, and J. M. Johnson, Radar Mapping of Mercury's Anomalies, Nature, 369, 213-215, 1994. 13 Jewitt, D. and J. Luu, Discovery of the Candidate Kuiper Belt Object 1992 QB, Nature, 362, 730-732, 1993. 14 G.P. Kuiper, in Astrophysics (ed. Hynek, J.A.), 357-424, McGraw-Hill, 1951. 15 Kunde, V.G., A. C. Aikin, R.A. Hanel, D.E. Jennings, W.C. Maguire, and R.E. Samuelson, CH, HCN and CN in Titan's Atmosphere, Nature, 292, 686-688, 1981. 16 Lemmon, M.T., E. Karkoschka, and M. Tomoasko, Titan's Rotation: Surface Features Observed, ICARUS 103, 329-332, 1993. 17 Lindal, G.F., G.E. Wood, H.B. Holtz, D.N. Sweetnam, V.R. Eshleman, and G.L. Tyler, The atmosphere of Titan, ICARUS, 53, 348-363, 1983. 18 Lunine, J.I., D.J. Stevenson, and Y.L. Yung, Ethane Ocean on Titan, Science, 222, 1229-1230, 1983. 19 Muhleman, D. O., B. J. Butler, A. W. Grossman and M. A. Slade, Radar Images of Mars, Science, 253, 1508-1513, (1991). 20 Muhleman, D. O., A. W. Grossman, and B. J. Butler, Radar Investigations of Mars, Mercury, and Titan, Ann. Rev. of Earth and Planetary Science, in press, 1995. 21 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Radar Reflectivity of Titan, Science, 248, 975-980, 1990. 22 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, The Surface of Titan and Titan's Rotation: What is Radar Telling Us?, Bull. Am. Astron. Soc., 24, 954, 1992. 23 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Titan's Radar Reflectivity and Rotation, Bull. Am. Astron. Soc., 25, 1099, 1993. 24 Owen, T.C., T.L. Roush, D.P. Cruikshank, J.L. Elliot, L.A. Young, C. de Bergh, B. Schmitt, T.R. Geballe, R.H. Brown, and M.J. Bartholomew, Surface Ices and the Atmospheric Composition of Pluto, Science 261, 745, 1993. 25 Paige, D. A., S. E. Wood and A. R. Vasavada, The Thermal Stability of Water Ice at the Poles of Mercury, Science, 258, 643-646, 1992. 26 Samuelson, R.E., R.A. Hanel, V.G. Kunde, and W.C. Maguire, The mean molecular weight and hydrogen abundance of Titan's atmosphere, Nature 292, 688-693, 1981. 27 Sargent, A.I. and S.V.W. Beckwith, The Search for Forming Planetary Systems, Physics Today, 46, 22, 1993. 28 Slade, M. A., B. J. Butler, and D. O. Muhleman, Mercury Radar Imaging: Evidence for Polar Ice, Science, 258, 635-640, 1992. 29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
7 Espenak, F., M. J. Mumma, and T. Kostiuk, Ground-Based Infrared Measurements of the Global Distribution of Ozone in the Atmosphere of Mars, ICARUS, 92, 252-262, 1991. 8 Griffith, C.A., Evidence for Surface Heterogenity on Titan, Nature, 364, 511-514, 1993. 9 Griffith, C.A., T.C. Owen, and R. Wagener, Titan's Surface and Troposphere, Investigated with Groundbased, Near-infrared Observations, ICARUS, 93, 362-378, 1991. 10 Hanel, R., B. Conrath, F.M. Flasar, V. Kunde, W. Maguire, J. Pearl, J. Pirraglia, R. Samuelson, L. Herath, M. Allison, D. Cruikshank, D. Gautier, P. Gierasch, L. Horn, R. Koppany, and C. Ponnamperuma, Infrared observations of the Saturnian system from Voyager 1, Science, 212, 192-200, 1981. 11 Harmon, J. K. and M. A. Slade, Radar Mapping of Mercury: Full-Disk Delay-Doppler Mapping, Science, 258, 640-643, 1992. 12 Harmon, J. K., M. A. Slade, R. A. Velez, A. Crespo, M. J. Dryer, and J. M. Johnson, Radar Mapping of Mercury's Anomalies, Nature, 369, 213-215, 1994. 13 Jewitt, D. and J. Luu, Discovery of the Candidate Kuiper Belt Object 1992 QB, Nature, 362, 730-732, 1993. 14 G.P. Kuiper, in Astrophysics (ed. Hynek, J.A.), 357-424, McGraw-Hill, 1951. 15 Kunde, V.G., A. C. Aikin, R.A. Hanel, D.E. Jennings, W.C. Maguire, and R.E. Samuelson, CH, HCN and CN in Titan's Atmosphere, Nature, 292, 686-688, 1981. 16 Lemmon, M.T., E. Karkoschka, and M. Tomoasko, Titan's Rotation: Surface Features Observed, ICARUS 103, 329-332, 1993. 17 Lindal, G.F., G.E. Wood, H.B. Holtz, D.N. Sweetnam, V.R. Eshleman, and G.L. Tyler, The atmosphere of Titan, ICARUS, 53, 348-363, 1983. 18 Lunine, J.I., D.J. Stevenson, and Y.L. Yung, Ethane Ocean on Titan, Science, 222, 1229-1230, 1983. 19 Muhleman, D. O., B. J. Butler, A. W. Grossman and M. A. Slade, Radar Images of Mars, Science, 253, 1508-1513, (1991). 20 Muhleman, D. O., A. W. Grossman, and B. J. Butler, Radar Investigations of Mars, Mercury, and Titan, Ann. Rev. of Earth and Planetary Science, in press, 1995. 21 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Radar Reflectivity of Titan, Science, 248, 975-980, 1990. 22 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, The Surface of Titan and Titan's Rotation: What is Radar Telling Us?, Bull. Am. Astron. Soc., 24, 954, 1992. 23 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Titan's Radar Reflectivity and Rotation, Bull. Am. Astron. Soc., 25, 1099, 1993. 24 Owen, T.C., T.L. Roush, D.P. Cruikshank, J.L. Elliot, L.A. Young, C. de Bergh, B. Schmitt, T.R. Geballe, R.H. Brown, and M.J. Bartholomew, Surface Ices and the Atmospheric Composition of Pluto, Science 261, 745, 1993. 25 Paige, D. A., S. E. Wood and A. R. Vasavada, The Thermal Stability of Water Ice at the Poles of Mercury, Science, 258, 643-646, 1992. 26 Samuelson, R.E., R.A. Hanel, V.G. Kunde, and W.C. Maguire, The mean molecular weight and hydrogen abundance of Titan's atmosphere, Nature 292, 688-693, 1981. 27 Sargent, A.I. and S.V.W. Beckwith, The Search for Forming Planetary Systems, Physics Today, 46, 22, 1993. 28 Slade, M. A., B. J. Butler, and D. O. Muhleman, Mercury Radar Imaging: Evidence for Polar Ice, Science, 258, 635-640, 1992. 29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
8 Griffith, C.A., Evidence for Surface Heterogenity on Titan, Nature, 364, 511-514, 1993. 9 Griffith, C.A., T.C. Owen, and R. Wagener, Titan's Surface and Troposphere, Investigated with Groundbased, Near-infrared Observations, ICARUS, 93, 362-378, 1991. 10 Hanel, R., B. Conrath, F.M. Flasar, V. Kunde, W. Maguire, J. Pearl, J. Pirraglia, R. Samuelson, L. Herath, M. Allison, D. Cruikshank, D. Gautier, P. Gierasch, L. Horn, R. Koppany, and C. Ponnamperuma, Infrared observations of the Saturnian system from Voyager 1, Science, 212, 192-200, 1981. 11 Harmon, J. K. and M. A. Slade, Radar Mapping of Mercury: Full-Disk Delay-Doppler Mapping, Science, 258, 640-643, 1992. 12 Harmon, J. K., M. A. Slade, R. A. Velez, A. Crespo, M. J. Dryer, and J. M. Johnson, Radar Mapping of Mercury's Anomalies, Nature, 369, 213-215, 1994. 13 Jewitt, D. and J. Luu, Discovery of the Candidate Kuiper Belt Object 1992 QB, Nature, 362, 730-732, 1993. 14 G.P. Kuiper, in Astrophysics (ed. Hynek, J.A.), 357-424, McGraw-Hill, 1951. 15 Kunde, V.G., A. C. Aikin, R.A. Hanel, D.E. Jennings, W.C. Maguire, and R.E. Samuelson, CH, HCN and CN in Titan's Atmosphere, Nature, 292, 686-688, 1981. 16 Lemmon, M.T., E. Karkoschka, and M. Tomoasko, Titan's Rotation: Surface Features Observed, ICARUS 103, 329-332, 1993. 17 Lindal, G.F., G.E. Wood, H.B. Holtz, D.N. Sweetnam, V.R. Eshleman, and G.L. Tyler, The atmosphere of Titan, ICARUS, 53, 348-363, 1983. 18 Lunine, J.I., D.J. Stevenson, and Y.L. Yung, Ethane Ocean on Titan, Science, 222, 1229-1230, 1983. 19 Muhleman, D. O., B. J. Butler, A. W. Grossman and M. A. Slade, Radar Images of Mars, Science, 253, 1508-1513, (1991). 20 Muhleman, D. O., A. W. Grossman, and B. J. Butler, Radar Investigations of Mars, Mercury, and Titan, Ann. Rev. of Earth and Planetary Science, in press, 1995. 21 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Radar Reflectivity of Titan, Science, 248, 975-980, 1990. 22 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, The Surface of Titan and Titan's Rotation: What is Radar Telling Us?, Bull. Am. Astron. Soc., 24, 954, 1992. 23 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Titan's Radar Reflectivity and Rotation, Bull. Am. Astron. Soc., 25, 1099, 1993. 24 Owen, T.C., T.L. Roush, D.P. Cruikshank, J.L. Elliot, L.A. Young, C. de Bergh, B. Schmitt, T.R. Geballe, R.H. Brown, and M.J. Bartholomew, Surface Ices and the Atmospheric Composition of Pluto, Science 261, 745, 1993. 25 Paige, D. A., S. E. Wood and A. R. Vasavada, The Thermal Stability of Water Ice at the Poles of Mercury, Science, 258, 643-646, 1992. 26 Samuelson, R.E., R.A. Hanel, V.G. Kunde, and W.C. Maguire, The mean molecular weight and hydrogen abundance of Titan's atmosphere, Nature 292, 688-693, 1981. 27 Sargent, A.I. and S.V.W. Beckwith, The Search for Forming Planetary Systems, Physics Today, 46, 22, 1993. 28 Slade, M. A., B. J. Butler, and D. O. Muhleman, Mercury Radar Imaging: Evidence for Polar Ice, Science, 258, 635-640, 1992. 29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
9 Griffith, C.A., T.C. Owen, and R. Wagener, Titan's Surface and Troposphere, Investigated with Groundbased, Near-infrared Observations, ICARUS, 93, 362-378, 1991. 10 Hanel, R., B. Conrath, F.M. Flasar, V. Kunde, W. Maguire, J. Pearl, J. Pirraglia, R. Samuelson, L. Herath, M. Allison, D. Cruikshank, D. Gautier, P. Gierasch, L. Horn, R. Koppany, and C. Ponnamperuma, Infrared observations of the Saturnian system from Voyager 1, Science, 212, 192-200, 1981. 11 Harmon, J. K. and M. A. Slade, Radar Mapping of Mercury: Full-Disk Delay-Doppler Mapping, Science, 258, 640-643, 1992. 12 Harmon, J. K., M. A. Slade, R. A. Velez, A. Crespo, M. J. Dryer, and J. M. Johnson, Radar Mapping of Mercury's Anomalies, Nature, 369, 213-215, 1994. 13 Jewitt, D. and J. Luu, Discovery of the Candidate Kuiper Belt Object 1992 QB, Nature, 362, 730-732, 1993. 14 G.P. Kuiper, in Astrophysics (ed. Hynek, J.A.), 357-424, McGraw-Hill, 1951. 15 Kunde, V.G., A. C. Aikin, R.A. Hanel, D.E. Jennings, W.C. Maguire, and R.E. Samuelson, CH, HCN and CN in Titan's Atmosphere, Nature, 292, 686-688, 1981. 16 Lemmon, M.T., E. Karkoschka, and M. Tomoasko, Titan's Rotation: Surface Features Observed, ICARUS 103, 329-332, 1993. 17 Lindal, G.F., G.E. Wood, H.B. Holtz, D.N. Sweetnam, V.R. Eshleman, and G.L. Tyler, The atmosphere of Titan, ICARUS, 53, 348-363, 1983. 18 Lunine, J.I., D.J. Stevenson, and Y.L. Yung, Ethane Ocean on Titan, Science, 222, 1229-1230, 1983. 19 Muhleman, D. O., B. J. Butler, A. W. Grossman and M. A. Slade, Radar Images of Mars, Science, 253, 1508-1513, (1991). 20 Muhleman, D. O., A. W. Grossman, and B. J. Butler, Radar Investigations of Mars, Mercury, and Titan, Ann. Rev. of Earth and Planetary Science, in press, 1995. 21 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Radar Reflectivity of Titan, Science, 248, 975-980, 1990. 22 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, The Surface of Titan and Titan's Rotation: What is Radar Telling Us?, Bull. Am. Astron. Soc., 24, 954, 1992. 23 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Titan's Radar Reflectivity and Rotation, Bull. Am. Astron. Soc., 25, 1099, 1993. 24 Owen, T.C., T.L. Roush, D.P. Cruikshank, J.L. Elliot, L.A. Young, C. de Bergh, B. Schmitt, T.R. Geballe, R.H. Brown, and M.J. Bartholomew, Surface Ices and the Atmospheric Composition of Pluto, Science 261, 745, 1993. 25 Paige, D. A., S. E. Wood and A. R. Vasavada, The Thermal Stability of Water Ice at the Poles of Mercury, Science, 258, 643-646, 1992. 26 Samuelson, R.E., R.A. Hanel, V.G. Kunde, and W.C. Maguire, The mean molecular weight and hydrogen abundance of Titan's atmosphere, Nature 292, 688-693, 1981. 27 Sargent, A.I. and S.V.W. Beckwith, The Search for Forming Planetary Systems, Physics Today, 46, 22, 1993. 28 Slade, M. A., B. J. Butler, and D. O. Muhleman, Mercury Radar Imaging: Evidence for Polar Ice, Science, 258, 635-640, 1992. 29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
10 Hanel, R., B. Conrath, F.M. Flasar, V. Kunde, W. Maguire, J. Pearl, J. Pirraglia, R. Samuelson, L. Herath, M. Allison, D. Cruikshank, D. Gautier, P. Gierasch, L. Horn, R. Koppany, and C. Ponnamperuma, Infrared observations of the Saturnian system from Voyager 1, Science, 212, 192-200, 1981. 11 Harmon, J. K. and M. A. Slade, Radar Mapping of Mercury: Full-Disk Delay-Doppler Mapping, Science, 258, 640-643, 1992. 12 Harmon, J. K., M. A. Slade, R. A. Velez, A. Crespo, M. J. Dryer, and J. M. Johnson, Radar Mapping of Mercury's Anomalies, Nature, 369, 213-215, 1994. 13 Jewitt, D. and J. Luu, Discovery of the Candidate Kuiper Belt Object 1992 QB, Nature, 362, 730-732, 1993. 14 G.P. Kuiper, in Astrophysics (ed. Hynek, J.A.), 357-424, McGraw-Hill, 1951. 15 Kunde, V.G., A. C. Aikin, R.A. Hanel, D.E. Jennings, W.C. Maguire, and R.E. Samuelson, CH, HCN and CN in Titan's Atmosphere, Nature, 292, 686-688, 1981. 16 Lemmon, M.T., E. Karkoschka, and M. Tomoasko, Titan's Rotation: Surface Features Observed, ICARUS 103, 329-332, 1993. 17 Lindal, G.F., G.E. Wood, H.B. Holtz, D.N. Sweetnam, V.R. Eshleman, and G.L. Tyler, The atmosphere of Titan, ICARUS, 53, 348-363, 1983. 18 Lunine, J.I., D.J. Stevenson, and Y.L. Yung, Ethane Ocean on Titan, Science, 222, 1229-1230, 1983. 19 Muhleman, D. O., B. J. Butler, A. W. Grossman and M. A. Slade, Radar Images of Mars, Science, 253, 1508-1513, (1991). 20 Muhleman, D. O., A. W. Grossman, and B. J. Butler, Radar Investigations of Mars, Mercury, and Titan, Ann. Rev. of Earth and Planetary Science, in press, 1995. 21 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Radar Reflectivity of Titan, Science, 248, 975-980, 1990. 22 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, The Surface of Titan and Titan's Rotation: What is Radar Telling Us?, Bull. Am. Astron. Soc., 24, 954, 1992. 23 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Titan's Radar Reflectivity and Rotation, Bull. Am. Astron. Soc., 25, 1099, 1993. 24 Owen, T.C., T.L. Roush, D.P. Cruikshank, J.L. Elliot, L.A. Young, C. de Bergh, B. Schmitt, T.R. Geballe, R.H. Brown, and M.J. Bartholomew, Surface Ices and the Atmospheric Composition of Pluto, Science 261, 745, 1993. 25 Paige, D. A., S. E. Wood and A. R. Vasavada, The Thermal Stability of Water Ice at the Poles of Mercury, Science, 258, 643-646, 1992. 26 Samuelson, R.E., R.A. Hanel, V.G. Kunde, and W.C. Maguire, The mean molecular weight and hydrogen abundance of Titan's atmosphere, Nature 292, 688-693, 1981. 27 Sargent, A.I. and S.V.W. Beckwith, The Search for Forming Planetary Systems, Physics Today, 46, 22, 1993. 28 Slade, M. A., B. J. Butler, and D. O. Muhleman, Mercury Radar Imaging: Evidence for Polar Ice, Science, 258, 635-640, 1992. 29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
11 Harmon, J. K. and M. A. Slade, Radar Mapping of Mercury: Full-Disk Delay-Doppler Mapping, Science, 258, 640-643, 1992. 12 Harmon, J. K., M. A. Slade, R. A. Velez, A. Crespo, M. J. Dryer, and J. M. Johnson, Radar Mapping of Mercury's Anomalies, Nature, 369, 213-215, 1994. 13 Jewitt, D. and J. Luu, Discovery of the Candidate Kuiper Belt Object 1992 QB, Nature, 362, 730-732, 1993. 14 G.P. Kuiper, in Astrophysics (ed. Hynek, J.A.), 357-424, McGraw-Hill, 1951. 15 Kunde, V.G., A. C. Aikin, R.A. Hanel, D.E. Jennings, W.C. Maguire, and R.E. Samuelson, CH, HCN and CN in Titan's Atmosphere, Nature, 292, 686-688, 1981. 16 Lemmon, M.T., E. Karkoschka, and M. Tomoasko, Titan's Rotation: Surface Features Observed, ICARUS 103, 329-332, 1993. 17 Lindal, G.F., G.E. Wood, H.B. Holtz, D.N. Sweetnam, V.R. Eshleman, and G.L. Tyler, The atmosphere of Titan, ICARUS, 53, 348-363, 1983. 18 Lunine, J.I., D.J. Stevenson, and Y.L. Yung, Ethane Ocean on Titan, Science, 222, 1229-1230, 1983. 19 Muhleman, D. O., B. J. Butler, A. W. Grossman and M. A. Slade, Radar Images of Mars, Science, 253, 1508-1513, (1991). 20 Muhleman, D. O., A. W. Grossman, and B. J. Butler, Radar Investigations of Mars, Mercury, and Titan, Ann. Rev. of Earth and Planetary Science, in press, 1995. 21 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Radar Reflectivity of Titan, Science, 248, 975-980, 1990. 22 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, The Surface of Titan and Titan's Rotation: What is Radar Telling Us?, Bull. Am. Astron. Soc., 24, 954, 1992. 23 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Titan's Radar Reflectivity and Rotation, Bull. Am. Astron. Soc., 25, 1099, 1993. 24 Owen, T.C., T.L. Roush, D.P. Cruikshank, J.L. Elliot, L.A. Young, C. de Bergh, B. Schmitt, T.R. Geballe, R.H. Brown, and M.J. Bartholomew, Surface Ices and the Atmospheric Composition of Pluto, Science 261, 745, 1993. 25 Paige, D. A., S. E. Wood and A. R. Vasavada, The Thermal Stability of Water Ice at the Poles of Mercury, Science, 258, 643-646, 1992. 26 Samuelson, R.E., R.A. Hanel, V.G. Kunde, and W.C. Maguire, The mean molecular weight and hydrogen abundance of Titan's atmosphere, Nature 292, 688-693, 1981. 27 Sargent, A.I. and S.V.W. Beckwith, The Search for Forming Planetary Systems, Physics Today, 46, 22, 1993. 28 Slade, M. A., B. J. Butler, and D. O. Muhleman, Mercury Radar Imaging: Evidence for Polar Ice, Science, 258, 635-640, 1992. 29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
12 Harmon, J. K., M. A. Slade, R. A. Velez, A. Crespo, M. J. Dryer, and J. M. Johnson, Radar Mapping of Mercury's Anomalies, Nature, 369, 213-215, 1994. 13 Jewitt, D. and J. Luu, Discovery of the Candidate Kuiper Belt Object 1992 QB, Nature, 362, 730-732, 1993. 14 G.P. Kuiper, in Astrophysics (ed. Hynek, J.A.), 357-424, McGraw-Hill, 1951. 15 Kunde, V.G., A. C. Aikin, R.A. Hanel, D.E. Jennings, W.C. Maguire, and R.E. Samuelson, CH, HCN and CN in Titan's Atmosphere, Nature, 292, 686-688, 1981. 16 Lemmon, M.T., E. Karkoschka, and M. Tomoasko, Titan's Rotation: Surface Features Observed, ICARUS 103, 329-332, 1993. 17 Lindal, G.F., G.E. Wood, H.B. Holtz, D.N. Sweetnam, V.R. Eshleman, and G.L. Tyler, The atmosphere of Titan, ICARUS, 53, 348-363, 1983. 18 Lunine, J.I., D.J. Stevenson, and Y.L. Yung, Ethane Ocean on Titan, Science, 222, 1229-1230, 1983. 19 Muhleman, D. O., B. J. Butler, A. W. Grossman and M. A. Slade, Radar Images of Mars, Science, 253, 1508-1513, (1991). 20 Muhleman, D. O., A. W. Grossman, and B. J. Butler, Radar Investigations of Mars, Mercury, and Titan, Ann. Rev. of Earth and Planetary Science, in press, 1995. 21 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Radar Reflectivity of Titan, Science, 248, 975-980, 1990. 22 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, The Surface of Titan and Titan's Rotation: What is Radar Telling Us?, Bull. Am. Astron. Soc., 24, 954, 1992. 23 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Titan's Radar Reflectivity and Rotation, Bull. Am. Astron. Soc., 25, 1099, 1993. 24 Owen, T.C., T.L. Roush, D.P. Cruikshank, J.L. Elliot, L.A. Young, C. de Bergh, B. Schmitt, T.R. Geballe, R.H. Brown, and M.J. Bartholomew, Surface Ices and the Atmospheric Composition of Pluto, Science 261, 745, 1993. 25 Paige, D. A., S. E. Wood and A. R. Vasavada, The Thermal Stability of Water Ice at the Poles of Mercury, Science, 258, 643-646, 1992. 26 Samuelson, R.E., R.A. Hanel, V.G. Kunde, and W.C. Maguire, The mean molecular weight and hydrogen abundance of Titan's atmosphere, Nature 292, 688-693, 1981. 27 Sargent, A.I. and S.V.W. Beckwith, The Search for Forming Planetary Systems, Physics Today, 46, 22, 1993. 28 Slade, M. A., B. J. Butler, and D. O. Muhleman, Mercury Radar Imaging: Evidence for Polar Ice, Science, 258, 635-640, 1992. 29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
13 Jewitt, D. and J. Luu, Discovery of the Candidate Kuiper Belt Object 1992 QB, Nature, 362, 730-732, 1993. 14 G.P. Kuiper, in Astrophysics (ed. Hynek, J.A.), 357-424, McGraw-Hill, 1951. 15 Kunde, V.G., A. C. Aikin, R.A. Hanel, D.E. Jennings, W.C. Maguire, and R.E. Samuelson, CH, HCN and CN in Titan's Atmosphere, Nature, 292, 686-688, 1981. 16 Lemmon, M.T., E. Karkoschka, and M. Tomoasko, Titan's Rotation: Surface Features Observed, ICARUS 103, 329-332, 1993. 17 Lindal, G.F., G.E. Wood, H.B. Holtz, D.N. Sweetnam, V.R. Eshleman, and G.L. Tyler, The atmosphere of Titan, ICARUS, 53, 348-363, 1983. 18 Lunine, J.I., D.J. Stevenson, and Y.L. Yung, Ethane Ocean on Titan, Science, 222, 1229-1230, 1983. 19 Muhleman, D. O., B. J. Butler, A. W. Grossman and M. A. Slade, Radar Images of Mars, Science, 253, 1508-1513, (1991). 20 Muhleman, D. O., A. W. Grossman, and B. J. Butler, Radar Investigations of Mars, Mercury, and Titan, Ann. Rev. of Earth and Planetary Science, in press, 1995. 21 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Radar Reflectivity of Titan, Science, 248, 975-980, 1990. 22 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, The Surface of Titan and Titan's Rotation: What is Radar Telling Us?, Bull. Am. Astron. Soc., 24, 954, 1992. 23 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Titan's Radar Reflectivity and Rotation, Bull. Am. Astron. Soc., 25, 1099, 1993. 24 Owen, T.C., T.L. Roush, D.P. Cruikshank, J.L. Elliot, L.A. Young, C. de Bergh, B. Schmitt, T.R. Geballe, R.H. Brown, and M.J. Bartholomew, Surface Ices and the Atmospheric Composition of Pluto, Science 261, 745, 1993. 25 Paige, D. A., S. E. Wood and A. R. Vasavada, The Thermal Stability of Water Ice at the Poles of Mercury, Science, 258, 643-646, 1992. 26 Samuelson, R.E., R.A. Hanel, V.G. Kunde, and W.C. Maguire, The mean molecular weight and hydrogen abundance of Titan's atmosphere, Nature 292, 688-693, 1981. 27 Sargent, A.I. and S.V.W. Beckwith, The Search for Forming Planetary Systems, Physics Today, 46, 22, 1993. 28 Slade, M. A., B. J. Butler, and D. O. Muhleman, Mercury Radar Imaging: Evidence for Polar Ice, Science, 258, 635-640, 1992. 29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
14 G.P. Kuiper, in Astrophysics (ed. Hynek, J.A.), 357-424, McGraw-Hill, 1951. 15 Kunde, V.G., A. C. Aikin, R.A. Hanel, D.E. Jennings, W.C. Maguire, and R.E. Samuelson, CH, HCN and CN in Titan's Atmosphere, Nature, 292, 686-688, 1981. 16 Lemmon, M.T., E. Karkoschka, and M. Tomoasko, Titan's Rotation: Surface Features Observed, ICARUS 103, 329-332, 1993. 17 Lindal, G.F., G.E. Wood, H.B. Holtz, D.N. Sweetnam, V.R. Eshleman, and G.L. Tyler, The atmosphere of Titan, ICARUS, 53, 348-363, 1983. 18 Lunine, J.I., D.J. Stevenson, and Y.L. Yung, Ethane Ocean on Titan, Science, 222, 1229-1230, 1983. 19 Muhleman, D. O., B. J. Butler, A. W. Grossman and M. A. Slade, Radar Images of Mars, Science, 253, 1508-1513, (1991). 20 Muhleman, D. O., A. W. Grossman, and B. J. Butler, Radar Investigations of Mars, Mercury, and Titan, Ann. Rev. of Earth and Planetary Science, in press, 1995. 21 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Radar Reflectivity of Titan, Science, 248, 975-980, 1990. 22 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, The Surface of Titan and Titan's Rotation: What is Radar Telling Us?, Bull. Am. Astron. Soc., 24, 954, 1992. 23 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Titan's Radar Reflectivity and Rotation, Bull. Am. Astron. Soc., 25, 1099, 1993. 24 Owen, T.C., T.L. Roush, D.P. Cruikshank, J.L. Elliot, L.A. Young, C. de Bergh, B. Schmitt, T.R. Geballe, R.H. Brown, and M.J. Bartholomew, Surface Ices and the Atmospheric Composition of Pluto, Science 261, 745, 1993. 25 Paige, D. A., S. E. Wood and A. R. Vasavada, The Thermal Stability of Water Ice at the Poles of Mercury, Science, 258, 643-646, 1992. 26 Samuelson, R.E., R.A. Hanel, V.G. Kunde, and W.C. Maguire, The mean molecular weight and hydrogen abundance of Titan's atmosphere, Nature 292, 688-693, 1981. 27 Sargent, A.I. and S.V.W. Beckwith, The Search for Forming Planetary Systems, Physics Today, 46, 22, 1993. 28 Slade, M. A., B. J. Butler, and D. O. Muhleman, Mercury Radar Imaging: Evidence for Polar Ice, Science, 258, 635-640, 1992. 29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
15 Kunde, V.G., A. C. Aikin, R.A. Hanel, D.E. Jennings, W.C. Maguire, and R.E. Samuelson, CH, HCN and CN in Titan's Atmosphere, Nature, 292, 686-688, 1981. 16 Lemmon, M.T., E. Karkoschka, and M. Tomoasko, Titan's Rotation: Surface Features Observed, ICARUS 103, 329-332, 1993. 17 Lindal, G.F., G.E. Wood, H.B. Holtz, D.N. Sweetnam, V.R. Eshleman, and G.L. Tyler, The atmosphere of Titan, ICARUS, 53, 348-363, 1983. 18 Lunine, J.I., D.J. Stevenson, and Y.L. Yung, Ethane Ocean on Titan, Science, 222, 1229-1230, 1983. 19 Muhleman, D. O., B. J. Butler, A. W. Grossman and M. A. Slade, Radar Images of Mars, Science, 253, 1508-1513, (1991). 20 Muhleman, D. O., A. W. Grossman, and B. J. Butler, Radar Investigations of Mars, Mercury, and Titan, Ann. Rev. of Earth and Planetary Science, in press, 1995. 21 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Radar Reflectivity of Titan, Science, 248, 975-980, 1990. 22 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, The Surface of Titan and Titan's Rotation: What is Radar Telling Us?, Bull. Am. Astron. Soc., 24, 954, 1992. 23 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Titan's Radar Reflectivity and Rotation, Bull. Am. Astron. Soc., 25, 1099, 1993. 24 Owen, T.C., T.L. Roush, D.P. Cruikshank, J.L. Elliot, L.A. Young, C. de Bergh, B. Schmitt, T.R. Geballe, R.H. Brown, and M.J. Bartholomew, Surface Ices and the Atmospheric Composition of Pluto, Science 261, 745, 1993. 25 Paige, D. A., S. E. Wood and A. R. Vasavada, The Thermal Stability of Water Ice at the Poles of Mercury, Science, 258, 643-646, 1992. 26 Samuelson, R.E., R.A. Hanel, V.G. Kunde, and W.C. Maguire, The mean molecular weight and hydrogen abundance of Titan's atmosphere, Nature 292, 688-693, 1981. 27 Sargent, A.I. and S.V.W. Beckwith, The Search for Forming Planetary Systems, Physics Today, 46, 22, 1993. 28 Slade, M. A., B. J. Butler, and D. O. Muhleman, Mercury Radar Imaging: Evidence for Polar Ice, Science, 258, 635-640, 1992. 29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
16 Lemmon, M.T., E. Karkoschka, and M. Tomoasko, Titan's Rotation: Surface Features Observed, ICARUS 103, 329-332, 1993. 17 Lindal, G.F., G.E. Wood, H.B. Holtz, D.N. Sweetnam, V.R. Eshleman, and G.L. Tyler, The atmosphere of Titan, ICARUS, 53, 348-363, 1983. 18 Lunine, J.I., D.J. Stevenson, and Y.L. Yung, Ethane Ocean on Titan, Science, 222, 1229-1230, 1983. 19 Muhleman, D. O., B. J. Butler, A. W. Grossman and M. A. Slade, Radar Images of Mars, Science, 253, 1508-1513, (1991). 20 Muhleman, D. O., A. W. Grossman, and B. J. Butler, Radar Investigations of Mars, Mercury, and Titan, Ann. Rev. of Earth and Planetary Science, in press, 1995. 21 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Radar Reflectivity of Titan, Science, 248, 975-980, 1990. 22 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, The Surface of Titan and Titan's Rotation: What is Radar Telling Us?, Bull. Am. Astron. Soc., 24, 954, 1992. 23 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Titan's Radar Reflectivity and Rotation, Bull. Am. Astron. Soc., 25, 1099, 1993. 24 Owen, T.C., T.L. Roush, D.P. Cruikshank, J.L. Elliot, L.A. Young, C. de Bergh, B. Schmitt, T.R. Geballe, R.H. Brown, and M.J. Bartholomew, Surface Ices and the Atmospheric Composition of Pluto, Science 261, 745, 1993. 25 Paige, D. A., S. E. Wood and A. R. Vasavada, The Thermal Stability of Water Ice at the Poles of Mercury, Science, 258, 643-646, 1992. 26 Samuelson, R.E., R.A. Hanel, V.G. Kunde, and W.C. Maguire, The mean molecular weight and hydrogen abundance of Titan's atmosphere, Nature 292, 688-693, 1981. 27 Sargent, A.I. and S.V.W. Beckwith, The Search for Forming Planetary Systems, Physics Today, 46, 22, 1993. 28 Slade, M. A., B. J. Butler, and D. O. Muhleman, Mercury Radar Imaging: Evidence for Polar Ice, Science, 258, 635-640, 1992. 29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
17 Lindal, G.F., G.E. Wood, H.B. Holtz, D.N. Sweetnam, V.R. Eshleman, and G.L. Tyler, The atmosphere of Titan, ICARUS, 53, 348-363, 1983. 18 Lunine, J.I., D.J. Stevenson, and Y.L. Yung, Ethane Ocean on Titan, Science, 222, 1229-1230, 1983. 19 Muhleman, D. O., B. J. Butler, A. W. Grossman and M. A. Slade, Radar Images of Mars, Science, 253, 1508-1513, (1991). 20 Muhleman, D. O., A. W. Grossman, and B. J. Butler, Radar Investigations of Mars, Mercury, and Titan, Ann. Rev. of Earth and Planetary Science, in press, 1995. 21 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Radar Reflectivity of Titan, Science, 248, 975-980, 1990. 22 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, The Surface of Titan and Titan's Rotation: What is Radar Telling Us?, Bull. Am. Astron. Soc., 24, 954, 1992. 23 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Titan's Radar Reflectivity and Rotation, Bull. Am. Astron. Soc., 25, 1099, 1993. 24 Owen, T.C., T.L. Roush, D.P. Cruikshank, J.L. Elliot, L.A. Young, C. de Bergh, B. Schmitt, T.R. Geballe, R.H. Brown, and M.J. Bartholomew, Surface Ices and the Atmospheric Composition of Pluto, Science 261, 745, 1993. 25 Paige, D. A., S. E. Wood and A. R. Vasavada, The Thermal Stability of Water Ice at the Poles of Mercury, Science, 258, 643-646, 1992. 26 Samuelson, R.E., R.A. Hanel, V.G. Kunde, and W.C. Maguire, The mean molecular weight and hydrogen abundance of Titan's atmosphere, Nature 292, 688-693, 1981. 27 Sargent, A.I. and S.V.W. Beckwith, The Search for Forming Planetary Systems, Physics Today, 46, 22, 1993. 28 Slade, M. A., B. J. Butler, and D. O. Muhleman, Mercury Radar Imaging: Evidence for Polar Ice, Science, 258, 635-640, 1992. 29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
18 Lunine, J.I., D.J. Stevenson, and Y.L. Yung, Ethane Ocean on Titan, Science, 222, 1229-1230, 1983. 19 Muhleman, D. O., B. J. Butler, A. W. Grossman and M. A. Slade, Radar Images of Mars, Science, 253, 1508-1513, (1991). 20 Muhleman, D. O., A. W. Grossman, and B. J. Butler, Radar Investigations of Mars, Mercury, and Titan, Ann. Rev. of Earth and Planetary Science, in press, 1995. 21 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Radar Reflectivity of Titan, Science, 248, 975-980, 1990. 22 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, The Surface of Titan and Titan's Rotation: What is Radar Telling Us?, Bull. Am. Astron. Soc., 24, 954, 1992. 23 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Titan's Radar Reflectivity and Rotation, Bull. Am. Astron. Soc., 25, 1099, 1993. 24 Owen, T.C., T.L. Roush, D.P. Cruikshank, J.L. Elliot, L.A. Young, C. de Bergh, B. Schmitt, T.R. Geballe, R.H. Brown, and M.J. Bartholomew, Surface Ices and the Atmospheric Composition of Pluto, Science 261, 745, 1993. 25 Paige, D. A., S. E. Wood and A. R. Vasavada, The Thermal Stability of Water Ice at the Poles of Mercury, Science, 258, 643-646, 1992. 26 Samuelson, R.E., R.A. Hanel, V.G. Kunde, and W.C. Maguire, The mean molecular weight and hydrogen abundance of Titan's atmosphere, Nature 292, 688-693, 1981. 27 Sargent, A.I. and S.V.W. Beckwith, The Search for Forming Planetary Systems, Physics Today, 46, 22, 1993. 28 Slade, M. A., B. J. Butler, and D. O. Muhleman, Mercury Radar Imaging: Evidence for Polar Ice, Science, 258, 635-640, 1992. 29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
19 Muhleman, D. O., B. J. Butler, A. W. Grossman and M. A. Slade, Radar Images of Mars, Science, 253, 1508-1513, (1991). 20 Muhleman, D. O., A. W. Grossman, and B. J. Butler, Radar Investigations of Mars, Mercury, and Titan, Ann. Rev. of Earth and Planetary Science, in press, 1995. 21 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Radar Reflectivity of Titan, Science, 248, 975-980, 1990. 22 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, The Surface of Titan and Titan's Rotation: What is Radar Telling Us?, Bull. Am. Astron. Soc., 24, 954, 1992. 23 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Titan's Radar Reflectivity and Rotation, Bull. Am. Astron. Soc., 25, 1099, 1993. 24 Owen, T.C., T.L. Roush, D.P. Cruikshank, J.L. Elliot, L.A. Young, C. de Bergh, B. Schmitt, T.R. Geballe, R.H. Brown, and M.J. Bartholomew, Surface Ices and the Atmospheric Composition of Pluto, Science 261, 745, 1993. 25 Paige, D. A., S. E. Wood and A. R. Vasavada, The Thermal Stability of Water Ice at the Poles of Mercury, Science, 258, 643-646, 1992. 26 Samuelson, R.E., R.A. Hanel, V.G. Kunde, and W.C. Maguire, The mean molecular weight and hydrogen abundance of Titan's atmosphere, Nature 292, 688-693, 1981. 27 Sargent, A.I. and S.V.W. Beckwith, The Search for Forming Planetary Systems, Physics Today, 46, 22, 1993. 28 Slade, M. A., B. J. Butler, and D. O. Muhleman, Mercury Radar Imaging: Evidence for Polar Ice, Science, 258, 635-640, 1992. 29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
20 Muhleman, D. O., A. W. Grossman, and B. J. Butler, Radar Investigations of Mars, Mercury, and Titan, Ann. Rev. of Earth and Planetary Science, in press, 1995. 21 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Radar Reflectivity of Titan, Science, 248, 975-980, 1990. 22 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, The Surface of Titan and Titan's Rotation: What is Radar Telling Us?, Bull. Am. Astron. Soc., 24, 954, 1992. 23 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Titan's Radar Reflectivity and Rotation, Bull. Am. Astron. Soc., 25, 1099, 1993. 24 Owen, T.C., T.L. Roush, D.P. Cruikshank, J.L. Elliot, L.A. Young, C. de Bergh, B. Schmitt, T.R. Geballe, R.H. Brown, and M.J. Bartholomew, Surface Ices and the Atmospheric Composition of Pluto, Science 261, 745, 1993. 25 Paige, D. A., S. E. Wood and A. R. Vasavada, The Thermal Stability of Water Ice at the Poles of Mercury, Science, 258, 643-646, 1992. 26 Samuelson, R.E., R.A. Hanel, V.G. Kunde, and W.C. Maguire, The mean molecular weight and hydrogen abundance of Titan's atmosphere, Nature 292, 688-693, 1981. 27 Sargent, A.I. and S.V.W. Beckwith, The Search for Forming Planetary Systems, Physics Today, 46, 22, 1993. 28 Slade, M. A., B. J. Butler, and D. O. Muhleman, Mercury Radar Imaging: Evidence for Polar Ice, Science, 258, 635-640, 1992. 29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
21 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Radar Reflectivity of Titan, Science, 248, 975-980, 1990. 22 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, The Surface of Titan and Titan's Rotation: What is Radar Telling Us?, Bull. Am. Astron. Soc., 24, 954, 1992. 23 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Titan's Radar Reflectivity and Rotation, Bull. Am. Astron. Soc., 25, 1099, 1993. 24 Owen, T.C., T.L. Roush, D.P. Cruikshank, J.L. Elliot, L.A. Young, C. de Bergh, B. Schmitt, T.R. Geballe, R.H. Brown, and M.J. Bartholomew, Surface Ices and the Atmospheric Composition of Pluto, Science 261, 745, 1993. 25 Paige, D. A., S. E. Wood and A. R. Vasavada, The Thermal Stability of Water Ice at the Poles of Mercury, Science, 258, 643-646, 1992. 26 Samuelson, R.E., R.A. Hanel, V.G. Kunde, and W.C. Maguire, The mean molecular weight and hydrogen abundance of Titan's atmosphere, Nature 292, 688-693, 1981. 27 Sargent, A.I. and S.V.W. Beckwith, The Search for Forming Planetary Systems, Physics Today, 46, 22, 1993. 28 Slade, M. A., B. J. Butler, and D. O. Muhleman, Mercury Radar Imaging: Evidence for Polar Ice, Science, 258, 635-640, 1992. 29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
22 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, The Surface of Titan and Titan's Rotation: What is Radar Telling Us?, Bull. Am. Astron. Soc., 24, 954, 1992. 23 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Titan's Radar Reflectivity and Rotation, Bull. Am. Astron. Soc., 25, 1099, 1993. 24 Owen, T.C., T.L. Roush, D.P. Cruikshank, J.L. Elliot, L.A. Young, C. de Bergh, B. Schmitt, T.R. Geballe, R.H. Brown, and M.J. Bartholomew, Surface Ices and the Atmospheric Composition of Pluto, Science 261, 745, 1993. 25 Paige, D. A., S. E. Wood and A. R. Vasavada, The Thermal Stability of Water Ice at the Poles of Mercury, Science, 258, 643-646, 1992. 26 Samuelson, R.E., R.A. Hanel, V.G. Kunde, and W.C. Maguire, The mean molecular weight and hydrogen abundance of Titan's atmosphere, Nature 292, 688-693, 1981. 27 Sargent, A.I. and S.V.W. Beckwith, The Search for Forming Planetary Systems, Physics Today, 46, 22, 1993. 28 Slade, M. A., B. J. Butler, and D. O. Muhleman, Mercury Radar Imaging: Evidence for Polar Ice, Science, 258, 635-640, 1992. 29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
23 Muhleman, D.O., A.W. Grossman, M.A. Slade, and B.J. Butler, Titan's Radar Reflectivity and Rotation, Bull. Am. Astron. Soc., 25, 1099, 1993. 24 Owen, T.C., T.L. Roush, D.P. Cruikshank, J.L. Elliot, L.A. Young, C. de Bergh, B. Schmitt, T.R. Geballe, R.H. Brown, and M.J. Bartholomew, Surface Ices and the Atmospheric Composition of Pluto, Science 261, 745, 1993. 25 Paige, D. A., S. E. Wood and A. R. Vasavada, The Thermal Stability of Water Ice at the Poles of Mercury, Science, 258, 643-646, 1992. 26 Samuelson, R.E., R.A. Hanel, V.G. Kunde, and W.C. Maguire, The mean molecular weight and hydrogen abundance of Titan's atmosphere, Nature 292, 688-693, 1981. 27 Sargent, A.I. and S.V.W. Beckwith, The Search for Forming Planetary Systems, Physics Today, 46, 22, 1993. 28 Slade, M. A., B. J. Butler, and D. O. Muhleman, Mercury Radar Imaging: Evidence for Polar Ice, Science, 258, 635-640, 1992. 29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
24 Owen, T.C., T.L. Roush, D.P. Cruikshank, J.L. Elliot, L.A. Young, C. de Bergh, B. Schmitt, T.R. Geballe, R.H. Brown, and M.J. Bartholomew, Surface Ices and the Atmospheric Composition of Pluto, Science 261, 745, 1993. 25 Paige, D. A., S. E. Wood and A. R. Vasavada, The Thermal Stability of Water Ice at the Poles of Mercury, Science, 258, 643-646, 1992. 26 Samuelson, R.E., R.A. Hanel, V.G. Kunde, and W.C. Maguire, The mean molecular weight and hydrogen abundance of Titan's atmosphere, Nature 292, 688-693, 1981. 27 Sargent, A.I. and S.V.W. Beckwith, The Search for Forming Planetary Systems, Physics Today, 46, 22, 1993. 28 Slade, M. A., B. J. Butler, and D. O. Muhleman, Mercury Radar Imaging: Evidence for Polar Ice, Science, 258, 635-640, 1992. 29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
25 Paige, D. A., S. E. Wood and A. R. Vasavada, The Thermal Stability of Water Ice at the Poles of Mercury, Science, 258, 643-646, 1992. 26 Samuelson, R.E., R.A. Hanel, V.G. Kunde, and W.C. Maguire, The mean molecular weight and hydrogen abundance of Titan's atmosphere, Nature 292, 688-693, 1981. 27 Sargent, A.I. and S.V.W. Beckwith, The Search for Forming Planetary Systems, Physics Today, 46, 22, 1993. 28 Slade, M. A., B. J. Butler, and D. O. Muhleman, Mercury Radar Imaging: Evidence for Polar Ice, Science, 258, 635-640, 1992. 29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
26 Samuelson, R.E., R.A. Hanel, V.G. Kunde, and W.C. Maguire, The mean molecular weight and hydrogen abundance of Titan's atmosphere, Nature 292, 688-693, 1981. 27 Sargent, A.I. and S.V.W. Beckwith, The Search for Forming Planetary Systems, Physics Today, 46, 22, 1993. 28 Slade, M. A., B. J. Butler, and D. O. Muhleman, Mercury Radar Imaging: Evidence for Polar Ice, Science, 258, 635-640, 1992. 29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
27 Sargent, A.I. and S.V.W. Beckwith, The Search for Forming Planetary Systems, Physics Today, 46, 22, 1993. 28 Slade, M. A., B. J. Butler, and D. O. Muhleman, Mercury Radar Imaging: Evidence for Polar Ice, Science, 258, 635-640, 1992. 29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
28 Slade, M. A., B. J. Butler, and D. O. Muhleman, Mercury Radar Imaging: Evidence for Polar Ice, Science, 258, 635-640, 1992. 29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
29 Stone, E.C. and E.D. Miner, The Voyager 2 Encounter with Neptunian System, Science, 246, 1417-1421, 1989.
, Nature, 362, 730-732, 1993.
H
, HC
N and C
N
in Titan's Atmosphere,
Nature, 292, 686-688, 1981.