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Thursday, October 28, 2010

Photo: Three "Super-Earths" Found Orbiting Sun-Like Star


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An artist's impression shows the trio of super-Earths discovered by a European team and announced on June 16, 2008.

The three planets are 4.2, 6.7, and 9.4 times more massive than Earth and orbit the star HD 40307 every 4.3, 9.6, and 20.4 days, respectively.

Illustration courtesy the European Space Observatory