
Ryugu: the asteroid giving credence to the idea that water was delivered to the hot early Earth by icy space rocks.
Callisto is likely an ocean world. I once wrote a graphic novel called OCEAN set around Europa, which was established as an ocean world. I love the idea of Jupiter being surrounded by ocean moons.
Uranus’ moon Ariel may also have a subsurface ocean.
Theia: the Mars-sized object that hit the Earth.

morning computer: some useful things first thing in the day.
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