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Tuesday, April 17, 2007

Astronomer sees signs of water in atmosphere of a dusty planet

There might be water beyond our solar system after all. An alien planet that appeared to be dark, dry and dusty has water in its atmosphere, according to Travis Barman, an astronomer. But some of the Astronomers who had made the earlier observations said his conclusions might be premature. The planet, known as HD 209458b, circles a sun like star about 150 light years away in Pegasus, passing between its star and earth every 3.6 days. Last winter, two teams using a special telescope called the spitzer space telescope failed to find signs of water in its atmosphere.

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