“But if a massive object like another galaxy gets in the ... the background galaxy into a distorted but highly magnified ring-shaped image of the background galaxy.” In order to form an ...

On December 30, a mysterious 1,100-pound object in the shape of a massive, 8-f00t metal ring was discovered in a remote Kenyan village, prompting widespread speculation it had fallen from space.

Additionally, researchers have investigated pregrasp strategies for manipulating ring-shaped objects. By detecting through-hole features, robots can insert fingers into these holes to hook and ...

Gravitational lensing also magnifies our view of extremely distant objects like RX J1131-1231 ... the light has not been ...