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)
Length: 6 letters
Scrabble value: 12
Words with Friends value: 14
Literati value: 9
TWL (USA): Not found
SOWPODS (UK): Not found
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