The Cassini spacecraft examines the desolate, cratered crescent of Rhea, a surface so heavily bombarded over the eons that new craters are virtually guaranteed to form on top of older ones. The large Tirawa impact basin is visible here
The Cassini spacecraft examines the desolate, cratered crescent of Rhea, a surface so heavily bombarded over the eons that new craters are virtually guaranteed to form on top of older ones. The large Tirawa impact basin is visible here