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if this is true by RAPHAEL G. SATTER LONDON — A huge ball of brightly burning gas drifting through a neighboring galaxy may be the heaviest star ever discovered — hundreds of times more massive than the sun, scientists said Wednesday after working out its weight for the first time. Those behind the find say the star, called R136a1, may once have weighed as much as 320 solar masses. Astrophysicist Paul Crowther said the obese star — twice as heavy as any previously discovered — has already slimmed down considerably over its lifetime. In fact it's burning itself off with such intensity that it shines with nearly 10 million times the luminosity of the sun. "Unlike humans, these stars are born heavy and lose weight as they age," said Crowther, an astrophysicist at the University of Sheffield in northern England. "R136a1 is already middle-aged and has undergone an intense weight loss program." Crowther said the giant was identified at the center of a star cluster in the Tarantula Nebula, a sprawling cloud of gas and dust drifting through one of the Milky Way's neighboring galaxies. __________________________________ then, what impact could it have on 'Atmospheric Warming".. it certainly can't be a Star without having an impact in the cosmos. maybe we just don't know how to measure that impact. |
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post - 08-02-2011
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