Fall Meeting 2022 | 15 December 2022
Extreme seismic challenges on the Moon: requirements for targeting the faintest seismic signals from Moon interior and those of gravitational waves.
Philippe Henri Lognonné + Jan Harms + Jani Karan ...
The main goal of the Apollo 17 gravimeter was to detect oscillations of the moon excited by gravitational waves. TheApollo 17 gravimeter unfortunately failed to operate in...
Fall Meeting 2022 | 13 December 2022
Did evection greatly reduce the Earth-Moon angular momentum?
Raluca Rufu + Robin M Canup
The nature of the Moon-forming event remains debated. In a so-called “canonical” impact, a low-velocity, oblique impact by a ∼ Mars-sized body produces a circumterrestrial...
Fall Meeting 2022 | 13 December 2022
Reorientation of the Moon from its Bombardment History
Vishnu Viswanathan + David E Smith + Erwan Mazarico ...
The Moon preserves most of its ~4.25-billion-year surface bombardment history, visible through its present-day gravity field and topography datasets, recovered from the GRAIL...

Third Pod from the Sun | 8 September 2023
Invisible forces: Gravity of the (Venus) situation
What goes up must come down, right? Well, what if things go up and come down slightly slower than you might expect?...
Fall Meeting 2022 | 14 December 2022
The Uranian Ring-Moon System
Matthew M Hedman
Uranus is surrounded by a complex system of rings and small moons. While the currently available data on this system are quite limited, observations from the Voyager 2 spacecraft...