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Principe and Sobral

1 Einstein records associated with Principe and Sobral.

Albert Einstein in a 1912 portrait
Albert Einstein, 1912. Photograph by J. F. Langhans — public domain. Wikimedia Commons source.

Solar Eclipse Relativity Test

29 May 1919 · Principe and Sobral · United States of America · Astronomy

British eclipse expeditions photograph stars near the Sun to test Einstein's predicted gravitational deflection.

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