Possible Signs of Ancient Drying in Martian Rock
newsdepo.com
A grid of small polygons on the Martian rock surface near the right edge of this view may have originated as cracks in drying mud more than 3 billion years ago.Possible Signs of Ancient Drying in Martian Rock
A grid of small polygons on the Martian rock surface near the right edge of this view may have originated as cracks in drying mud more than 3 billion years ago. Read more

