mrt 082013
 
Water Channels Discovered on Mars

  New maps of the subsurface of Mars show for the first time buried channels below the surface of the red planet. Mars is considered to have been cold and dry over the past 2.5 billion years, but these channels suggest evidence of flooding. Fig. 1. The location of the ~ 1000 km Marte Vallis [continue reading]

dec 292012
 
Anne's Picture of the Day: Elephant on Mars

December 29, 2012 An Elephant on Mars?! Image Credit: NASA/JPL/University of Arizona This “elephant” is actually a dried flood of lava over the surface of Elysium Planitia, a huge plain near the equator of Mars, which is the youngest flood-lava province and the second largest volcanic region on Mars, after Tharsis. It’s a classic case [continue reading]