- Gillett, Stephen L. Ben Bova , 编. World-Building. Cincinnati, Ohio: Writer's Digest Books. 1996: 173. ISBN 158297134X.
- "Characteristics of Terrestrial Planets" by John Chambers, from "The Great Planet Debate: Science as Process", August 14–16, 2008, The Johns Hopkins University Applied Physics Laboratory Kossiakoff Center, Laurel, MD. http://gpd.jhuapl.edu/abstracts/abstractFiles/chambers_abstract.pdf
- All Planets Possible, Astrobiology Magazine
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