A determination of the deflection of light by the Sun's gravitational field by Frank Watson Dyson and others Created 2026-10-18 Updated 2026-11-05
The original report of the Eddington experiment, based on observations at the total solar eclipse of 29 May 1919.
Official publication: doi.org/10.1098/rsta.1920.0009
Original paper scan: w.astro.berkeley.edu/~kalas/labs/documents/dyson1920.pdf