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Otkrivena planeta sa masivnim jezgrom

Napisano na dan: 1.7.2005

Otkrivena planeta sa masivnim jezgrom
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Poslao: 01 Jul 2005 17:11
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Planet Discovered with a Massive Core

A collaboration of astronomers discovers possible a 'Rossetta Stone' of planetary formation study, reported by San Francisco State Univerity and Subaru Observatory. This new planet, orbiting around G-star like our Sun (HD 149026), weighs roughly equal to that of Saturn, while its size is significantly smaller in diameter. Planetary modeling suggests that the core of the planet alone must have 70 times more mass than Earth, indicating the possible existence of a metallic solid core inside the planet. Just like the rocky planet discovered earlier, the finding of this dense-core planet may lead to better understading of the formation of rockey planets in the Universe.

http://slashdot.org/



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