Tag: exo-planet

NASA unveils a clutch of amazing Earth-size habitable-zone worlds orbiting a single sun.

February 22, 2017 | By | Reply More
NASA unveils a clutch of amazing Earth-size habitable-zone worlds orbiting a single sun.

NASA’s Spitzer Space Telescope has revealed the first known system of seven Earth-size planets around a single star. Three of these planets are firmly located in the habitable zone, the […]

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