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?
that seems logical, clever actually they are doing that alternative
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