There’s one crucial number that could ultimately determine whether humans have a chance to live on Mars
(ESO/M. Kornmesser/N. Risinger (skysurvey.org))
Our solar system harbors over a dozen classic and dwarf planets, hundreds of moons, and tens of thousands of asteroids and comets. Yet, there is only one other place in our entire cosmic neighborhood where humans might make another world for ourselves that is anything like Earth.
“From a science point of view, it’s Mars and Mars alone,” Chris McKay, who is a planetary scientist at NASA Ames Research Center, told Business Insider.
“It’s our one chance to make another habitable environment.”… continue reading >