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Astronomers Discover Two Earth-Size Planets

Kepler field of view (photo courtesy of Creative Commons).

Agnus Dei Farrant
Executive Producer

Kepler-20 system has three other planets larger than Earth but smaller than Neptune

Kepler Telescope Spots Potentially Habitable Planets, Six-Planet System

Six confirmed planets orbit Kepler-11, a sun-like star. Image: NASA/Tim Pyle

Len Ly
Senior Staff Reporter

Findings could triple the number of known exoplanets.