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January 17, 2014
M83 Star Streams |
This is the spiral galaxy M83 and is about 12 million light years away, on the tip of the constellation Hydra. This picture was made with data from the European Southern Observatory, Hubble, Subaru telescope, and the Australian Astronomical Observatory. M83 is known as the Southern Pinwheel because of its spiral arms. It's also known as the Thousand-Ruby Galaxy due to the red regions of the galaxy. The faint light arcing at the top of the picture is M83's northern stellar tidal stream, from the gravitational disruption of a merging satellite galaxy. M83 was found in the 1990s by enhancing photographic plates.
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