This is amazing and cool. If we don't send people out there to see it first-hand, we might as well pack it in as a species. http://www.slate.com/blogs/bad_astronomy/2016/09/15/wind_eroded_sandstone_on_mars_looks_like_american

This is amazing and cool. If we don't send people out there to see it first-hand, we might as well pack it in as a species.

http://www.slate.com/blogs/badastronomy/2016/09/15/winderodedsandstoneonmarslookslikeamerican_southwest.html