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Bubble Nebula (NGC 7635)

Posted: February 5th, 2017, 7:08 pm
by Christopher K.
Over 7000 light-years away and seven light-years across, the Bubble Nebula lies just across the Cepheus border in Cassiopeia. The star responsible for it is forty-times more massive than our Sun.

An image of the Bubble Nebula was used for the February entry in the 2017 NASA Science calendar...
http://heritage.stsci.edu/2016/13/fast_facts.html