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Planet formation: Grainy pictures of new worlds

Mannings, Vincent (1998) Planet formation: Grainy pictures of new worlds. Nature, 393 (6681). pp. 117-118. ISSN 0028-0836. doi:10.1038/30102.

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We know that planetary bodies in our Solar System began by agglomeration of dust grains, rocks and mountain-sized asteroids. We also know that most of the work was done during the first 10 million years (Myr) after the Sun's birth, when the young star was encircled by an immense disk of grains and gas. But to go beyond this is not easy. Some 4.5 billion years after the main event, examination of our neighbouring worlds may never allow us to reconstruct fully how the Sun's early disk evolved into gaseous behemoths such as Jupiter and small rocky planets such as Earth. We must look elsewhere for better clues to our origins, and we find them in new studies of disks around three stars by Holland et al., and of a disk surrounding the star HR4796A by Jura et al., Jayawardhana et al. and Koerner et al.

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Additional Information:© 1998 Macmillan Publishers Ltd.
Issue or Number:6681
Record Number:CaltechAUTHORS:20150609-102900393
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:58108
Deposited By: Tony Diaz
Deposited On:09 Jun 2015 17:35
Last Modified:10 Nov 2021 21:59

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