What gravitational lensing confirms — mass curves spacetime and bends the path of light

How Eddington's 1919 eclipse observation confirmed general relativity — starlight bent by the Sun

Eddington's eclipse observation showed starlight bending due to the Sun's gravity, confirming general relativity

What the Einstein field equations relate — the curvature of spacetime (Gμν) to the energy-momentum tensor (Tμν)

Einstein's field equations: Gμν = 8πTμν, relating spacetime curvature to energy-momentum

What the Schwarzschild solution describes — spacetime geometry around a non-rotating spherical mass

The Schwarzschild solution describes the spacetime geometry around a non-rotating spherical mass

How do the results from LIGO and Virgo collaborations provide evidence for gravitational waves, thereby supporting the predictions of general relativity?

LIGO and Virgo detectors' measurements of gravitational wave signals confirm Einstein's general relativity predictions

How did the Pound-Rebka experiment of 1959 provide empirical evidence for the gravitational redshift predicted by general relativity?

Measured redshift of gamma rays in Earth's gravitational field confirmed gravitational redshift

What the Kerr solution adds — spacetime around a rotating black hole, including frame-dragging

Kerr solution describes rotating black holes' spacetime, featuring frame-dragging effects