2013 Asteroid - 搜索视频

vi-AA120j9X

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短视频

The Space Doctor on Instagram: "Stronger than the Jupiter. The Grand Tack hypothesis is a model that describes the early solar system and the migration of Jupiter. Jupiter formed at a distance of 3.5 AU from the Sun which then migrated towards Sun. Soon the Saturn came into existence and its strong gravity pulled back the gas giant and placed it at a distance of 5 AU from the sun. Saturn indeed saved the entire solar system from Jupiter. Recent studies show Saturn plays bigger role than Jupiter

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