Albert Einstein is one of the most recognized and ... which freed him from military service. He belonged to no country until he became a Swiss citizen in 1921. From Italy he went to Switzerland ...

They are one of the best examples we have of gravitational lensing–a phenomenon that Albert Einstein predicted ... called gravitational lensing. If the background galaxy, the lensing galaxy ...

The rarely observed rings are named for mathematician and physicist Albert Einstein ... ring-shaped image of the background galaxy.” In order to form an Einstein ring, multiple factors have ...