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Ultraviolet and Visible images of M31
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Ultraviolet and Visible images of M31

April 15, 2005
The image above shows a comparison of the GALEX mosaic image of M31 taken in ultraviolet light with an image in visible light that human eyes can see (courtesy of John Gleason).

The star forming arms of Messier 31 are unusual in being quite circular rather than the usual spiral shape. Many other regions of star formation can be seen far outside the main body of the galaxy.


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