Friday, October 17, 2014

Death Star

Just kidding. Mimas looks very similar, with its giant crater!


NASA / JPL-Caltech / Space Science Institute


In case you don't know your moons, Mimas orbits Saturn, and is named after a giant in Greek mythology. The crater is name Herschel (after the moon's discoverer), and it the crater diameter is 1/3 the diameter of the entire moon! That must have hurt.



Mimas is located in the wide E ring of Saturn.


And check out the weird temperature variations on this moon. Looks like PacMan!

This figure illustrates the unexpected and bizarre pattern of daytime temperatures found on Saturn's small inner moon Mimas (396 kilometers, or 246 miles, in diameter). The data were obtained by the composite infrared spectrometer (CIRS) on NASA's Cassini spacecraft during the spacecraft's closest-ever look at Mimas on Feb. 13, 2010.

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