Jan Hendrix Oort, n.
Dutch astronomer who proved that the galaxy is rotating and proposed the existence of the Oort cloud (1900-1992)
<noun.person>
Jan Hendrix Oort Oort
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Dutch astronomer who proved that the galaxy is rotating and proposed the existence of the Oort cloud (1900-1992)
<noun.person>
Jan Hendrix Oort Oort