Taking before and after pictures of the Martian terrain, researchers have identified nearly 250 fresh impact craters on the Red Planet. The results provide scientists with a better yardstick to estimate how frequently craters are blasted on Mars, allowing them to assess recently formed features with greater accuracy.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/m...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/m...