Wednesday, July 27, 2011

What happens when a star dies?

July 25, 2011 - West Hawaii Today
This nebula could clear up some questions astronomers have about what happens when a star dies.

Astronomers at the Gemini Observatory, working with an amateur astronomer, have made a discovery that could help the astronomical community learn about planetary nebulae, the large gas clouds scientists say are likely formed at the end of stars' lives, similar to the sun. Scientists believe the nebulae form when the aging stars become unstable and discharge gas from their outer layers.
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