1) Impact crater on Enceladus 
[crater] Ayyub is an impact crater in the northern hemisphere of Saturn`s moon Enceladus. Ayyub was first observed in Cassini images during that mission`s February 2005 flyby of Enceladus. It is located at 38.4° North Latitude, 295.7° West Longitude and is 18 kilometers across. The topography of the impact crater appears very subdued, sug...