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Hasil cari dari kata atau frase: Willem de Sitter (0.01356 detik)
Found 1 items, similar to Willem de Sitter.
English → English (WordNet)
Definition: Willem de Sitter
Willem de Sitter
n : Dutch astronomer who calculated the size of the universe and
suggested that it is expanding (1872-1934) [syn:
Sitter]
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