aug 132013
Radar Reveals What Lies Beneath the Surface of Mars

  There is much more to Mars than meets the eye. By using the radar on Mars Express, we can see several kilometers below the surface to see what lies beneath.   A color image of the Hellas Planitia region of Mars; north toward top. The scene shows the Hellas plain within the 1,800- km-diameter Hellas basin, [continue reading]