Buzz Aldrin was excited for a closer examination of Phobos and its 279ft x 300ft monolithic feature

- https://www.youtube.com/watch?v=bDIXvpjnRws - https://en.wikipedia.org/wiki/Phobos_monolith

is the ability to more easily return samples from Phobos vs Mars because it's a moon with much less gravity?

that seems logical, clever actually they are doing that alternative

but Mars and its moon likely very different composition?

> but Mars and its moon likely very different composition?

I guess it's related to the origin of them. I had too look the details, it's controversial: https://en.wikipedia.org/wiki/Moons_of_Mars

Return to Earth targeted for 2031 https://www.mmx.jaxa.jp/en/