A timelapse of all of the photographs the Cassini space probe has taken of Saturn's moon Mimas from Feb. 6, 2004 to Sept. 15, 2015. Note: These sequences at times include rapid flashing.

Saturn's moon Mimas could have grown a huge underground ocean as its orbital eccentricity decreased to its present value and caused its icy shell to melt and thin. "In our previous work ...