Evidence Seen For Wet Past on Ganymede, Jupiter's Largest Moon
Saturday, April 16, 2016 - 03:03
in Astronomy & Space
Bright, flat terrain in long swaths on the surface of Jupiter's icy moon Ganymede may testify that water or slush emerged there about a billion years ago, say planetary scientists who have combined stereo images from NASA's Galileo and Voyager missions to examine provocative features on that moon.