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Stories by John Matson


Habitable exoplanet claim gets another challenge

Don't pack your bags just yet for Gliese 581 g, the potentially habitable extrasolar planet that was announced in September.

No sooner had a team of American astronomers, led by veteran planet hunters Paul Butler and Steven Vogt, announced their discovery than competing groups and independent researchers dove into data sets both public and proprietary to see if they, too, could find the signature of the newfound world...

January 20, 2011 — John Matson
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