
File name: Enceladus_JPL_Cassini_lrg.jpg
Original Resolution: 1240 × 1460
File Size: 576 KB (MIME Type: image/jpeg)
Under its icy surface, Saturn’s frozen-ocean moon Enceladus may harbor liquid water and the ingredients necessary for life. If the most extreme ice ages in Earth history were true Snowball Earth events—with no open ocean—our planet may have looked like a supersized version of Enceladus. Image courtesy NASA / JPL / Space Science Institute.