Can the eclipse tell us if Einstein was right about general relativity?
He probably was, but astronomers will put his 1915 theory to the test with DIY experiments
TRICK OF THE LIGHT Einstein showed that spacetime warps around massive bodies and makes light take different paths, as shown in this stellar smile in which a red galaxy distorts the light from a more distant blue galaxy.
ESA/Hubble, NASA
Almost a century ago, a solar eclipse revealed the geometry of spacetime.