Source: NASA
NASA has released today the first color images captured by the Phoenix Mars Lander. They show the vast plains of the northern polar region of Mars. The flat landscape is strewn with tiny pebbles and shows polygonal cracking, a pattern seen widely in Martian high latitudes and also observed in permafrost terrains on Earth. The polygonal cracking is believed to have resulted from seasonal freezing and thawing of surface ice. (read more)
No comments:
Post a Comment