Milky Way Could Have 17 Billion Earth-sized Planets смотреть онлайн

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Astronomers say new evidence from the Kepler Space Telescope proves there is at least 17 billion earth-sized planets in our space galaxy. Рекомендуем Milky Way Could Have 17 Billion Earth-sized Planets посмотреть онлайн видео бесплатно и без регистрации!