Big Brother Galaxy to the Milky Way, Seen by GALEX

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First Posted: Jun 29, 2013 06:26 PM EDT

This image, made by and commemorating NASA's Galaxy Evolution Explorer that was shut down this week after 10 years of faithful and gainful service, shows NGC 6744, one of the galaxies most similar to our Milky Way in the local universe. This ultraviolet view highlights the vast extent of the fluffy spiral arms, and demonstrates that star formation can occur in the outer regions of galaxies. The galaxy is situated in the constellation of Pavo at a distance of about 30 million light-years.

NGC 6744 is bigger than the Milky Way, with a disk stretching 175,000 light-years across. A small, distorted companion galaxy is located nearby, which is similar to our galaxy's Large Magellanic Cloud. This companion, called NGC 6744A, can be seen as a blob in the main galaxy's outer arm, at upper right. -- NASA

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