The Pinwheel Galaxy (Messier 101 or NGC 5457).
The Pinwheel Galaxy is located about 21 million light years away in the
direction of the Ursa Major (Big Dipper) constellation. This vibrant
astronomy picture combines data in the infrared, visible, ultraviolet
and x-rays from four of NASAs space telescopes.
For details about what the various colors represent,
For details about what the various colors represent,
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