Saturn’s fourth largest moon, Dione, reveals its past via contrasts in this view from the NASA/ESA/ASI Cassini spacecraft taken in April 2015. See http://www.esa.int/spaceinimages/Images/2016/08/A_moon_s_contrasts
Saturn’s fourth largest moon, Dione, reveals its past via contrasts in this view from the NASA/ESA/ASI Cassini spacecraft taken in April 2015. See http://www.esa.int/spaceinimages/Images/2016/08/A_moon_s_contrasts