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Cited by 552

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Internal structure of massive terrestrial planets

Open access
Valencia, Diana, O'Connell, Richard J., Sasselov, Dimitar·2006·Icarus

Abstract

Abstract Planetary formation models predict the existence of massive terrestrial planets and experiments are now being designed that should succeed in discovering them and measuring their masses and radii. We calculate internal structures of planets with one to ten times the mass of the Earth (Super-Earths) to obtain scaling laws for total radius, mantle thickness, core size and average density as a function of mass. We explore different compositions and obtain a scaling law of R ∝ M 0.267 – 0.272 for Super-Earths. We also study a second family of planets, Super-Mercuries with masses ranging from one mercury-mass to ten mercury-masses with similar composition to the Earth's but with a larger core mass fraction. We explore the effect of surface temperature and core mass fraction on the scaling laws for these planets. The scaling law obtained for the Super-Mercuries is R ∝ M ∼ 0.3 .

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Crossref · 10.1016/j.icarus.2005.11.021

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Cites

  • An extended upper atmosphere around the extrasolar planet HD209458b

    Vidal-Madjar, A., des Etangs, A. L., Désert, J.-M., Ballester, G. E., Ferlet, R., Hébrard, G., & Mayor, M. (2003) · Nature · doi:10.1038/nature01448 · Cited by 1,208 · cited 1×

    “There is very little known about these new planets, sin e no dire t observations have been made yet, however in at least one ase the transit observations led to the dete tion of the planet's atmosphere (Charbonneau et al. 2002, Vidal-Madjar et al. 2003).”
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Metadata

Authors
Valencia, D., O'Connell, R. J., & Sasselov, D.
Venue
Icarus
Publisher
Elsevier BV
Published
2006-04
Volume
181
Issue
2
Pages
545-554
ISSN
0019-1035 (ISSN-L)
OpenAlex
W1970045349
Cited by
552
References
1
FWCI
13.69
Type
journal article
Language
en
Open access
green

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