Mars is one of Earth’s closest neighbors. It’s sort of the like the neighbor you have over for coffee on Sundays, except that Mars is a planet and doesn’t like terrible metaphors.
Regardless though, Mars is a fascinating place. NASA has made a concerted effort to explore more of the red planet in recent years, but our knowledge of Mars’ past is still a bit murky.
Kind of like when you think your neighbor used to be in prison, but every time you ask…well…ok, I’ll stop it (not).
While we don’t know much about our interstellar neighbor’s past, we’re learning more everyday….