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Massive Nebula Discovered Enveloping the Red Supergiant Betelgeuse

June 25, 2011

Betelgeuse is also one of the biggest known stars, almost the size of the orbit of Jupiter.

The VLT image shows the surrounding nebula, which is much bigger than the supergiant itself, stretching 60 billion km away from the star’s surface ” about 400 times the distance of the Earth from the Sun. Red supergiants like Betelgeuse represent one of the last stages in the life of a massive star in which the star increases in size, and expels material

Source:
http://www.dailygalaxy.com/my_weblog/2011/06/massive-nebula-discovered-enveloping-the-red-supergiant-betelgeuse.html

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