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Albert Einstein · Event

Gravitational Lens Paper

Publishes a calculation of the lens-like action of a star's gravitational field, describing how general relativity can produce multiple or magnified images of a background source.

Albert Einstein lecturing in Vienna in 1921
Albert Einstein lecturing in Vienna, 1921. Photograph by Ferdinand Schmutzer — public domain. Wikimedia Commons source.
Read the explainer →Year 1936PrincetonAstronomy

Gravitational Lens Paper

December 1936 · Princeton · United States of America · Astronomy

Publishes a calculation of the lens-like action of a star's gravitational field, describing how general relativity can produce multiple or magnified images of a background source.