After the discovery of supersized exomoon candidates, many have been wondering can moons have moons? And could those also have moons?! Today we dive into this fun little question and learn about the limits of satellites.

Written & presented by Prof David Kipping

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::References::
► Kollmeier, J. & Raymond, S. (2019), "Can Moons Have Moons?", MNRAS, 483, 80: https://arxiv.org/abs/1810.03304
► Also check out Sean Raymond's excellent blog article! https://planetplanet.net/2018/10/09/c...

::Music::
Music licensed by SoundStripe.com (SS) [shorturl.at/ptBHI], or via Creative Commons (CC) Attribution License (https://creativecommons.org/licenses/..., or with permission from the artist
► Brad Hill There Is but One Good (00:00) [https://open.spotify.com/album/4pmiXc...]
► Falls Life in Binary (4:08)
► Chris Zabriskie Cylinder Four (8:50)
► Joachim Heinrich Stjarna (12:05)
► Indive Trace Correction (14:54)

::Film/TV clips used::
► Sunshine (2007) Fox Searchlight Pictures
► First Man (2017) Universal Pictures
► Another Earth (2011) Fox Searchlight Pictures
► Moonfall (2022) Lionsgate
► Agora (2009) Focus Features International
► Outro clip by Sloan Digital Sky Survey, Berkeley Lab, Miguel Aragon, Mark Subbarao & Alex Szalay

::Chapters::
00:00 Introduction
02:28 How are moons lost?
04:08 Tides
06:22 Moon Hill Spheres
07:19 Analytic Results
09:03 Iapetus
10:12 Giant exomoons
11:46 Moon moon moons
13:55 Final thoughts
14:54 Outro & credits

#MoonMoons #SubMoons #CoolWorlds