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M83: The Southern Pinwheel Galaxy from VLT December 20, 2005

Posted by jtintle in APoD, Deep Space, European Southern Observatory (ESO), Space Fotos.
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See Explanation.  Clicking on the picture will download  the highest resolution version available.
Credit: FORS Team, 8.2-meter VLT, ESO

Explanation: M83 is one of the closest and brightest spiral galaxies on the sky. Visible with binoculars in the constellation of Hydra, majestic spiral arms have prompted its nickname as the Southern Pinwheel. Although discovered 250 years ago, only much later was it appreciated that M83 was not a nearby gas cloud, but a barred spiral galaxy much like our own Milky Way Galaxy. M83, pictured above in a photograph from a Very Large Telescope, is a prominent member of a group of galaxies that includes Centaurus A and NGC 5253, all of which lie about 15 million light years distant. Several bright supernova explosions have been recorded in M83. An intriguing double circumnuclear ring has been discovered at the center of M83.

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