Dutch astronomer who calculated the size of the universe and suggested that it is expanding (1872-1934). Synonym: Sitter.
![]() |
![]() |
![]() | ![]() | ![]() | |||
|
|
|
![]() |
Words linked to "Willem de Sitter" : stargazer, uranologist, astronomer |
Copyright © 2025 Dictionary One.com |