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Astronomers Find Rocky Planet, But Say It’s Hot
Astronomers have discovered a rocky planet outside the solar system that’s as close to being like Earth as anything found so far.
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WASHINGTON (September 16, 2009)--Astronomers have found more than 300 planets outside the solar system but none of them has been proven to be solid, but now a team of European astronomers has confirmed that a planet discovered earlier this year about 500 light years away is more than just a big gas ball.
One of the scientists describes it "as close to something like the Earth" that's been found so far.
Scientists have long figured that for life to begin on a planet it needs a solid surface to rest on, so experts outside the team say finding such a planet is an important discovery.
The trouble with Corot-7b, however, is it's pretty hot.
The astronomers say it orbits so close to its sun that the surface temperature is more than 3,600 degrees Fahrenheit, too hot to sustain life.
The find is being published in the journal Astronomy and Astrophysics and presented at a conference on finding an Earth-like planet being held in Spain.
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