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News and Views
Nature 441, 292-293 (18 May 2006) | doi:10.1038/441292a; Published online 17 May 2006
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Extrasolar planets: A neptunian triplet
David Charbonneau1
Abstract
Three planets of Neptune mass have been discovered orbiting a Sun-like star known to have an asteroid belt. Exquisite measurements suggest that the search for habitable planets might be easier than assumed.
Our thirst for knowledge of planets orbiting stars similar to the Sun is tempered by the technological challenges of detecting them. We cannot see analogues of the Solar System directly; rather, the presence of extrasolar planets is inferred through effects that they induce on their parent star.
- David Charbonneau is in the Department of Astronomy, Harvard University, 60 Garden Street, Cambridge, Massachusetts 02138, USA.
Email: dcharbonneau@cfa.harvard.edu
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