Perhaps enough Gravity to hold down said newfound oxygen?http://www.physicsforums.com/showthread.php?p=1759493 [physicsforums.com]http://www.philforhumanity.com/Terraforming_Mars.html [philforhumanity.com]http://en.wikipedia.org/wiki/Terraforming_of_Mars [wikipedia.org]The problem right now is not the temperature or the sun, we have some forms of life that could handle Mars right now, as far as I