Astrophysical and Planetary Sciences Colloquium

Monday, October 04, 2021 at 12:40

JILA Auditorium and

Ann-Marie Madigan, CU Boulder / JILA

"Collective Gravity: from Icy Planetesimals in our Solar System to Stars in Orbit About Supermassive Black Holes"

A Pretty Image from the Talk


The collective gravity of bodies on eccentric orbits is key to understanding the evolution of planetary systems and stars near supermassive black holes. In this talk I will demonstrate the wide- ranging implications of these dynamics such as the orbital clustering of icy bodies in the outer Solar System (observations of which have motivated the Planet 9 hypothesis) and the feeding of stars and gas to supermassive black holes.


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