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Benvenuti in queste pagine dedicate a scienza ed arte. Amelia Carolina Sparavigna

Thursday, June 16, 2011

Peer pressure keeps planets young...

"Two US astrophysicists claim they have answered an important question about how planets form: why don't young planets get pushed into their companion stars before they have a chance to grow? It turns out that a little company is enough to keep them there, say the researchers, who argue that multiple planets moving through a rocky disk can prevent one another from falling into the star."
Peer pressure keeps young planets growing - physicsworld.com