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US-ASTRONOMY-PLANET
This artist's conception released by NASA shows the inner four planets of the Gliese 581 system and their host star, a red dwarf star only 20 light years away from Earth. The large planet in the foreground is the newly discovered GJ 581g, which has a 37-day orbit right in the middle of the star's habitable zone and is only three to four times the mass of Earth, with a diameter 1.2 to 1.4 times that of Earth. The planet, found by astronomers at the University of California, Santa Cruz, and the Carnegie Institution of Washington, is orbiting in the middle of the "habitable zone" of the red dwarf star Gliese 581, which means it could have water on its surface. AFP PHOTO/NASA/Lynette Cook = RESTRICTED TO EDITORIAL USE = NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGN =
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Detalii fotografie |
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AFP / Mediafax Foto |
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| Fotograf: |
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LYNETTE COOK |
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30 Septembrie 2010 |
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3300 x 2475 (830.03 KB) |
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