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View Full Version : Found: Planetary Nebula Around Heavy Stars



Fraser
2009-Aug-14, 02:30 PM
Planetary nebula the glowing gaseous shells thrown off by stars during the latter stages of their evolution were thought to only form around stars the size of our Sun or smaller. Although astronomers had predicted these shells should form around "heavier" stars, none had ever been detected. Until now. An [...]

More... (http://www.universetoday.com/2009/08/14/found-planetary-nebula-around-heavy-stars/)