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    gerard kuiper

    gerard kuiper - 365bet中国官方网站 definition and meaning for word gerard kuiper

    Definition
    (noun) United States astronomer (born in the Netherlands) who studied the solar system and suggested in 1951 that there is a belt of comet-like debris at the edge of the solar system (1905-1973)

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    text: night this isn't gerard's this is the
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