SPACE: Could We really terraform Mars?
Almost every sci-fi story begins (and sometimes ends) with the terraforming of Mars to turn it into a more hospitable world. But with its frigid temperatures, remoteness from the sun and general dustiness, changing Mars to be more Earth-like is more challenging than it seems (and it already seems pretty tough). The thing is, Mars used to be cool. And by cool, I mean warm. Billions of years ago, Mars had a thick, carbon-rich atmosphere, lakes and oceans of liquid water, and probably even white fluffy clouds. And this was at a time when our sun was smaller and weaker, … Read more