Frank Watson Dyson

Chronicled events

1. March 1917​·​Dyson Finds the Eclipse That Can Test Einstein
   #5763

   Einstein’s prediction that the Sun bends starlight by 1.7 arcseconds hasn’t been tested yet. The eclipse of May 29, 1919, can test it, since the Sun will be among the many bright stars of the Hyades.

2. November 6, 1919​·​The Eclipse Results Are Announced
   #5765

   The eclipse photos of 1919 show starlight bent by between about 1.6 and 2.0 arcseconds at the edge of the Sun, as general relativity predicts.