lunedì 28 settembre 2015

NYT Science: Signs of Liquid Water Found on Surface of Mars, Study Says

Signs of Liquid Water Found on Surface of Mars, Study Says
By KENNETH CHANG

Scientists looked to dark streaks that form each summer on the slopes of Martian mountains, craters and canyons.

Published: September 29, 2015 at 06:00AM

via NYT Science http://ift.tt/1Jyt4l4