Cigar Galaxy, M82, NGC 3034


This infrared image from NASA's Spitzer Space Telescope shows a galaxy that appears to be sizzling hot, with huge plumes of smoke swirling around it. The galaxy, known as Messier 82 or the "Cigar galaxy," is in fact, smothered in smoky dust particles (red) blown out into space by the galaxy's hot stars (blue). Messier 82 is located about 12 million light-years away in the Ursa Major constellation. It is viewed from its side, or edge on, so it appears as a thin cigar-shaped bar. The galaxy is termed a starburst because its shrouded core is a fiery hotbed of stellar birth. A larger nearby galaxy, called Messier 81, is gravitationally interacting with Messier 82, prodding it into producing the new stars. This picture was taken by Spitzer's infrared array camera as a part of the Spitzer Infrared Nearby Galaxy Survey. Blue indicates infrared light of microns, green corresponds to microns, and red to and microns. The contribution from starlight (measured at microns) has been subtracted from the and 8-micron images to enhance the visibility of the dust features.


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Photo credit: © Photo Researchers / Alamy / Afripics
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