gravitational lensing works
A diagram that shows how gravitational lensing works. In this example, the light of a galaxy travels through curved space-time surrounding a galaxy cluster. (Image credit: NASA, ESA & L. Calçada)
A diagram that shows how gravitational lensing works. In this example, the light of a galaxy travels through curved space-time surrounding a galaxy cluster. (Image credit: NASA, ESA & L. Calçada)