The spiral galaxy NGC 4565, a rough analogue of the Milky Way - and with distinctly dusty outer regions. Credit: ESO.
A Japanese team of astronomers have reported a strong correlation between the metallicity of dusty protoplanetary disks and their longevity. From this finding they propose that low metallicity stars are much less likely to have planets, including gas giants, due to the shorter lifetime of their protoplanetary disks.
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Read the rest of Astronomy Without A Telescope – No Metal, No Planet? (499 words)
© Steve Nerlich for Universe Today, 2010. | Permalink | No comment | Add to del.icio.us
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Full story at http://www.universetoday.com/75913/astronomy-without-a-telescope-no-metal-no-planet/
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