Willem de Sitter
noun
- 1
Dutch astronomer who calculated the size of the universe and suggested that it is expanding (1872-1934)
Synonyms
Also useful for “Willem de Sitter”:Crossword— Multi-word entries show up in clues
Dutch astronomer who calculated the size of the universe and suggested that it is expanding (1872-1934)
Also useful for “Willem de Sitter”:Crossword— Multi-word entries show up in clues