NASA Image of the Day : Dramatic Dione

in space •  7 years ago 

pia17197-1041.jpg

Cassini captured this striking view of Saturn’s moon Dione on July 23, 2012. Dione is about 698 miles (1,123 kilometers) across. Its density suggests that about a third of the moon is made up of a dense core (probably silicate rock) with the remainder of its material being water ice. At Dione's average temperature of -304 degrees Fahrenheit (-186 degrees Celsius), ice is so hard it behaves like rock.

Credit : NASA/JPL-Caltech/Space Science Institute

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Hi, I found some acronyms/abbreviations in this post. This is how they expand:

AcronymExplanation
JPLJet Propulsion Lab, Pasadena, California
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