The Final Frontier

Boston MA (SPX) Dec 31, 2010 Although Gliese 581g is the most Earthlike planet to be discovered to date, it’s unclear whether the planet is habitable. Just because the planet is relatively similar in mass to Earth doesn’t mean it can host life. Although Earth and Venus are about the same mass and size, the surface of Venus is too unbearably hot for life to survive there. In fact, the hardest part about the quest to fi

URL: http://www.spacedaily.com/reports/The_Final_Frontier_999.html