100 years ago, an eclipse proved Einstein right. Today, black holes do too — for now

A century ago, astronomers proved light bends around the sun as Einstein predicted

solar eclipse

BEYOND A SHADOW OF A DOUBT  The 1919 solar eclipse proved that the sun’s gravity can bend spacetime to make background stars’ positions appear to move, just as Einstein predicted in his general theory of relativity.

F.W. DYSON, A.S. EDDINGTON, C. DAVIDSON

A century ago, British astronomer Arthur Stanley Eddington and his colleagues photographed a solar eclipse, and changed the way humankind thought about the heavens.