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U.S. Department of Defense sent this bulletin at 06/29/2013 07:35 AM EDT
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06/29/2013 06:29 AM CDT
The bright clusters and nebulae of planet Earth’s night sky are often named for flowers or insects. Though its wingspan covers over 3 light-years, NGC 6302 is no exception. With an estimated surface temperature of about 250,000 degrees C, the dying central star of this particular planetary nebula has become exceptionally hot, shining brightly in [...]
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