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Astronomers discover 7 new Earth-sized exoplanets that may sustain life

Astronomers from NASA (National Aeronautics and Space Administration) for the first time have discovered seven new Earth-sized exoplanets that may be able to sustain life.

The planets were detected using NASA’s Spitzer Space Telescope and several ground-based observatories including Trappist robotic telescope at La Silla, Chile. 

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