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NASA discovers 7 Earth-sized planets

Name: NASA discovers 7 Earth-sized planets
Uploaded: 2017-02-22T17:20:06-0500
Duration: 49 s
Description: NASA has discovered the first known system of seven Earth-sized planets around a single star, establishing a new record for the greatest number of habitable-zone planets found around a single star outside our solar system.

NASA has discovered the first known system of seven Earth-sized planets around a single star, establishing a new record for the greatest number of habitable-zone planets found around a single star outside our solar system.