mars, n.All

Mars is a planet inhabited entirely by robots, as far as we know.

Mars is a fixer-upper of a planet but we could make it work.

Mars' soil is rust colored because it's full of rust

Mars is a really cold planet, but luckily we're proving to be pretty good at warming up planets.

Mars is home to a volcano the size of Arizona

Mars is home to the biggest volcano ever discovered in the solar system, Olympus Mons, which is comparable to the size of Arizona and triple the height of Mount Everest

Mars is a planet that is exclusively inhabited by robots.

Mars is inhabited solely by robots

Mars is the only known planet completely inhabited by robots

Mars is small --- if Earth were a cherry tomato, it would be the size of a blueberry

Mars is small --- if Earth were the size of a golf ball, it would be the size of a small Marble