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How common are Earths? How common are Jupiters? | Charles H. Lineweaver
; Daniel Grether
; Marton Hidas
; | Date: |
19 Sep 2002 | Subject: | astro-ph | Affiliation: | School of Physics, University of New South Wales and the Australian Centre for Astrobiolgy, Sydney, Australia | Abstract: | 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. | Source: | arXiv, astro-ph/0209383 | Services: | Forum | Review | PDF | Favorites |
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