The 1919 measurement of the deflection of light - INSU - Institut national des sciences de l'Univers Access content directly
Journal Articles Classical and Quantum Gravity Year : 2015

The 1919 measurement of the deflection of light


The measurement of the deflection of starlight during a total solar eclipse on 29 May 1919 was the first verification of general relativity by an external team of scientists, brought Einstein and his theory to the attention of the general public, and left a legacy of experimental testing that continues today. The discovery of gravitational lenses turned Einstein's deflection into an important tool for astronomy and cosmology. This article reviews the history of the 1919 measurement and other eclipse measurements, describes modern measurements of the effect using radio astronomy, and of its cousin, the Shapiro time delay, and discusses the discovery and impact of gravitational lenses.

Dates and versions

insu-03644933 , version 1 (19-04-2022)



Clifford M. Will. The 1919 measurement of the deflection of light. Classical and Quantum Gravity, 2015, 32, ⟨10.1088/0264-9381/32/12/124001⟩. ⟨insu-03644933⟩
11 View
0 Download



Gmail Facebook X LinkedIn More