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Existence of habitable exoplanet questioned

Swiss team fails to confirm recent discovery of an extrasolar planet that might have right conditions for life

In late September, an experienced group of U.S. astronomers made headlines with news of the first extrasolar planet likely to be hospitable to life. The planet lies at a distance from its parent star at which water could be liquid (SN: 10/23/10, p. 5).

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