Article
Article
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Exoplanet research
Article By:
Traub, Wesley A. Exoplanet Exploration Program, Jet Propulsion Laboratory, National Aeronautics and Space Administration; Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, California.
Last reviewed:2014
DOI:https://doi.org/10.1036/1097-8542.YB150517
An exoplanet is a planet external to our solar system. Exoplanets are found orbiting other stars as well as free-floating between those stars. Most exoplanets have names like beta Pictoris b, or HR 8799 e; the name usually starts with the name of the star followed by the lowercase letter b for the first one to be discovered around that star, c for the second, and so on.
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