A Galactic Spectacle by NASA Goddard Photo and Video on Flickr.
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Callisto
False color image of Jupiter’s satellite moon Callisto taken by spacecraft Voyager 2 on July 7, 1979.
Named after the Greek mythological figure of Callisto, Greek: Καλλιστώ) is a moon of the planet Jupiter. It was discovered in 1610 by Galileo Galilei. It is the third-largest moon in the Solar System and the second largest in the Jovian system, after Ganymede. Callisto has about 99% the diameter of the planet Mercury but only about a third of its mass. It is the fourth Galilean moon of Jupiter by distance, with an orbital radius of about 1,880,000 km.
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Shooting at the Galactic Center
The paranal Very Large Telescope (VLT) is seen here under the Milky Way band, Chile, South America at night as it shoots its LGSF laser into the Galatic Center of the Milky Way studying the stars and helping in understanding optical astronomy for the ESO observatory and general study of the Cosmos.
Copyright: Gerhard Huedepohl
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Easter Island Moais at Night
Copyright: Babak Sedehi
Launch of a Delta IV Heavy
Credit & Copyright: Ben Cooper
