Southern Pinwheel Galaxy
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This is M83, the Southern Pinwheel Galaxy. It earned its name from the distinct pinwheel shape of its long spiral arms.
Messier 83 (NGC 5236), or the Southern Pinwheel Galaxy, lies near the border between Hydra and Centaurus, approximately 15 million light-years away.
from the spiral arms through orbital resonance, in effect funneling the flow to create new stars. This process is also thought to explain why many barred spiral galaxies have active galactic nuclei, such as that seen in the Southern Pinwheel Galaxy.
 See also: Pinwheel Galaxy, Galaxies, Galaxy, Spiral Galaxy, Telescope
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