This is an image of Mimas, one of Saturn's moons (it has over 50 of them.) It was constructed by putting together 6 pictures taken by the Cassini spacecraft as it flew as close as 9500 km on February 13, 2010. Mimas has a diameter of 196 km and the image clearly shows a crater (called Herschel Crater after the British astronomer that discovered it) that has a diameter of 140 km. It is amazing that whatever left such a crater after impact did not destroy Mimas completely.
The image information from the NASA JPL webpage can be found in the catalog page for PIA12570.
BTW, the moon was named after the Titan Mimas from the Greek Mythology!
Monday, April 5, 2010
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