Dutch astronomer who calculated the size of the universe and suggested that it is expanding (1872-1934). Synonym: Willem de Sitter.
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"Sitter" Quotes from Famous Books — Spring Days • George Moore — Library Of The World's Best Literature, Ancient And Modern, Vol. 5 • Various — A History of the Japanese People - From the Earliest Times to the End of the Meiji Era • Frank Brinkley and Dairoku Kikuchi — A Woman's Impression of the Philippines • Mary Helen Fee — Modern Painting • George Moore |
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