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NASA launched the Helper space telescope, designed to find habitable planets, in 2009.. So far it has discovered five new Earth-sized planets beyond our solar system.[r]
Đang tải... (xem toàn văn)
NASA launched the Helper space telescope, designed to find habitable planets, in 2009.. So far it has discovered five new Earth-sized planets beyond our solar system.[r]
Ngày đăng: 13/01/2021, 11:46