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Gliese 581g, we hardly knew ye

posted by Jason Kottke   Oct 13, 2010

That habitable exoplanet discovery? Maybe not.

Astronomer Francesco Pepe of the Geneva Observatory in Switzerland, who spoke Oct. 11 at an International Astronomical Union symposium on planetary systems, reported a new analysis using only HARPS data, but adding an extra 60 data points to the observations published in 2008. He and his colleagues could find no trace of the planet.