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willem de sitter

 

Definitions from WordNet

Noun willem de sitter has 1 sense
  1. 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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