willem de sitter

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Definitions from WordNet

Noun willem de sitter has 1 sense

Sitter, Willem de Sitter - Dutch astronomer who calculated the size of the universe and suggested that it is expanding (1872-1934)
--₁ is a kind of astronomer, uranologist, stargazer

Definitions from the Web

Willem de Sitter

Definition

Noun: Willem de Sitter refers to a Dutch mathematician, physicist, and astronomer who made significant contributions to the field of theoretical physics in the early 20th century.

Sample Sentences

Willem de Sitter's work on the expanding universe paved the way for the development of the Big Bang theory.
The de Sitter space, named after Willem de Sitter, is a mathematical model of a universe with no matter.
The 1917 solution to Einstein's field equations by de Sitter describes an empty universe with a positive cosmological constant.

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