Gigantic Spiral in Space

Saturday, September 11th, 2010 by Daniel M. Gattermann at 14:15

The spiral is produced by a binary star about 3000 light years from earth and is 3 trillion kilometers in diameter. […] older stars run out of available hydrogen. Eventually, they fuse helium into carbon. When this happens the star swells up and becomes a red giant […] Red giants tend to blow a lot […]

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