De Sitter Effect (other)
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astrophysics Astrophysics is a science that employs the methods and principles of physics and chemistry in the study of astronomical objects and phenomena. As one of the founders of the discipline, James Keeler, said, astrophysics "seeks to ascertain the ...
, the term de Sitter effect (named after the Dutch physicist
Willem de Sitter Willem de Sitter (6May 187220November 1934) was a Dutch mathematician, physicist, and astronomer. He is known for the de Sitter universe is a cosmological model, which was named after him. Life and work Born in Sneek, Netherlands, de Sitte ...
) has been applied to two unrelated phenomena: *
De Sitter double star experiment The de Sitter effect was described by Willem de Sitter in 1913 (as well as by Daniel Frost Comstock in 1910) and used to support the special theory of relativity against a competing 1908 emission theory by Walther Ritz that postulated a variabl ...
*
De Sitter precession The geodetic effect (also known as geodetic precession, de Sitter precession or de Sitter effect) represents the effect of the curvature of spacetime, predicted by general relativity, on a vector carried along with an orbiting body. For example, ...
– also known as ''geodetic precession'' or the ''geodetic effect'' {{disambig Astrophysics