I am a native in this world And think in it as a native thinks

Tuesday, June 5, 2018

Astronomy Tuesday

This large, shiny walnut is Iapetus, one of Saturn's more than 60 moons. Though it is the third-largest, and was discovered in 1671 by Giovanni Cassini himself, I have to admit having been unaware of its existence until yesterday when I found this picture.

Credit: Cassini Imaging Team, SSI, JPL, ESA, NASA

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