A planet about 1.6 times the radius of Earth has been found closely circling the sun-like star Kepler-21, one of the 100,000 stars under scrutiny by NASA's Kepler Space Telescope.
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Kepler Discovers Super-Earth Hot Rod
A planet about 1.6 times the radius of Earth has been found closely circling the sun-like star Kepler-21, one of the 100,000 stars under scrutiny by NASA's Kepler Space Telescope.
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