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Comet West 1976 was a spectacular comet, sometimes considered to qualify for the status of "great comet". #Space #NASA #Aerospace #Comet

The Streak - Comet Siding Spring flashes across the sky impressively in this infrared image. Observers in Australia discovered the comet, also known as C/2007 Q3, in 2007.

These images from NASA's Spitzer Space Telescope of Comet ISON were taken on June 13, 2013, when ISON was 312 million miles (502 million kilometers) from the sun. The lefthand image shows a tail of fine rocky dust issuing from the comet, blown back by the pressure of sunlight. The image at right shows a neutral gas atmosphere surrounding ISON, likely created by carbon dioxide fizzing off the comet at a rate of 2.2 million pounds per day.

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16 Giddying Astronomy Photos That Are Out Of This World

‘Comet Panstarrs passing Cederblad 214’, by Mel Gigg. | 16 Giddying Astronomy Photos That Are Out Of This World

The recently formed south polar vortex stands out in the color-swaddled atmosphere of Saturn's largest moon, Titan, in this natural color view from NASA's Cassini spacecraft.

With a pair of binoculars or a small telescope, many spectacular features can be spotted on the moon.

The stunning tail of Comet Lovejoy (C/2011 W3) is photographed in the morning sky above Cape Schanck, about 90 km from Melbourne, southeastern Australia.

#Astronomy: Located about 130 million light-years away, #NGC4650A is one of only 100 known polar-ring galaxies.