View Full Version : Possibility of Past Water on Mars Takes a Hit

2010-Mar-09, 06:10 PM
Images of Mars taken from orbit show a massive system of riverbeds and canyons etched by water. Or maybe not. A new study of one channel shows that it was formed by lava flow and not water, and the results make "a strong case that fluid lava can produce channels that look [...]

More... (http://www.universetoday.com/2010/03/09/possibility-of-past-water-on-mars-takes-a-hit/)