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First Infrared Images From NASA's WISE Satellite

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Comet Siding Spring appears to streak across the sky like a superhero in this infrared image taken by NASA's WISE satellite.

Comet Siding Spring appears to streak across the sky like a superhero in this infrared image taken by NASA's WISE satellite.  A star-forming cloud teeming with gas, dust, and massive newborn stars.  The Andromeda galaxy, also known as Messier 31, or simply M31.  This image highlights the Andromeda galaxy's older stellar population in blue. It was taken by the shortest-wavelength camera on WISE, which detects infrared light of 3.4 microns.  This image highlights the dust that speckles the Andromeda galaxy's spiral arms. It shows light seen by the longest-wavelength infrared detectors on WISE (12-micron light has been color coded orange, and 22-micron light, red).  This image of a dense cluster of galaxies is 60 million light-years from Earth, and is one of the closest galaxy clusters to the Milky Way. 


Comet Siding Spring appears to streak across the sky like a superhero in this infrared image taken by NASA's WISE satellite.