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02 November 2024 |
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Article overview
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The Formation of the Oort Cloud in Open Cluster Environments | Nathan A. Kaib
; Thomas Quinn
; | Date: |
1 Aug 2007 | Abstract: | We study the influence of the initial stellar environment on the formation
and current structure of the Oort cloud. To do this, we have run four different
simulations of the formation of the Oort Cloud for 4.5 Gyrs, each containing
20,000 particles. In each simulation, the solar system spends its first 100
Myrs in a different open cluster environment before transitioning to its
current field environment. We find that, compared to forming in the field
environment, the inner Oort Cloud is preferentially loaded with comets while
the Sun resides in the open cluster and that most of this material remains
locked in the interior of the cloud for the next 4.4 Gyrs. On the other hand,
the outer portions of the Oort Cloud in each of the simulations are all
similar. Depending on the initial stellar density of the cluster environment,
the internal structure of the present day Oort Cloud will vary widely. | Source: | arXiv, 0707.4515 | Services: | Forum | Review | PDF | Favorites |
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