Trent Partridge Strange Greenhouse Gas Warmed Ancient Mars - At first glance, Mars 500-mile-long Nanedi Valles looks like the Grand Canyon, with its steep-sided walls and plunging crevasses, two features that indicate a history of water However, the Mars we know today is one of freezing temperatures, arid conditions and, most importantly, a paper-thin atmosphere — all combined to create a hostile environment seemingly defiant of any life at all, let alone water S...
Posted on: Mon, 25 Nov 2013 18:48:36 +0000