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How Common are Earths? How Common are Jupiters?

Published online by Cambridge University Press:  19 September 2017

Charles H. Lineweaver ,
Daniel Grether  and
Marton Hidas
Charles H. Lineweaver
Affiliation:
School of Physics, University of New South Wales and the Australian Centre for Astrobiolgy, Sydney, Australia charley@bat.phys.unsw.edu.au
Daniel Grether
Affiliation:
School of Physics, University of New South Wales and the Australian Centre for Astrobiolgy, Sydney, Australia charley@bat.phys.unsw.edu.au
Marton Hidas
Affiliation:
School of Physics, University of New South Wales and the Australian Centre for Astrobiolgy, Sydney, Australia charley@bat.phys.unsw.edu.au

Abstract

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Among the billions of planetary systems that fill the Universe, we would like to know how ours fits in. Exoplanet data can already be used to address the question: How common are Jupiters? Here we discuss a simple analysis of recent exoplanet data indicating that Jupiter is a typical massive planet rather than an outlier. A more difficult question to address is: How common are Earths? However, much indirect evidence suggests that wet rocky planets are common.

Type
Extrasolar Planets
Information
Symposium - International Astronomical Union , Volume 213: Bioastronomy 2002: Life Among the stars , 2004 , pp. 41 - 44
Copyright
Copyright © Astronomical Society of the Pacific 2004 

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