Thursday, September 13, 2007

The first planet known to have survived 'red-giant' phase found

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Planetary nebulae, the remains of sun-like stars that have reached the end of their red giant stage, in an undated image. Astronomers have found the first known planet to survive its 'red-giant' phase, a period when an aging star expands and engulfs bodies orbiting it. Experts say the planet, 4,500 light years away, gives a view of the future when the Sun will expand and heat Earth, in about 5billion years. [Quoted from Yahoo News and Metro]




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