NASA has announced the discovery of 10 rocky, Earth-sized planets in our Milky Way Galaxy that could potentially have liquid water and support life. The US space agency released on Monday a survey of 219 potential exoplanets - planets outside of our solar system - that had been detected by its Kepler space telescope between its launch in 2009 through its first four years in space.

The univsere - Another earth

History Channel

Space

44 minutes.

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