Carl Sagan’s Theory Of Early Mars Warming Gets New Attention
Carl Sagan’s Theory Of Early Mars Warming Gets New Attention Ah, the good old days. ESA’s Mars Express imaged Reull Vallis, a river-like structure believed to have formed when running water flowed in the distant Martian past, cuts a steep-sided channel on its way towards the floor of the Hellas basin. A thicker atmosphere that included methane and hydrogen in addition to carbon dioxide may have allowed liquid water to flow on Mars at different times in the past according to a new study. Credit and copyright: ESA/DLR/FU Berlin (G. Neukum) Water. It’s always about the water when it comes to sizing up a planet’s potential toRead More →