The surface of Mars it pocked by more than 600 "double-layered ejecta" DLE craters, but how these odd craters formed has been a mystery. A new study makes the case that glacial ice, possibly tens of meters thick at the time of impacts millions of years ago, may be responsible for the unique features of DLEs.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/O...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/O...