Gravitational Lensing: Astronomers Harness Einstein’s Telescope
Tuesday, February 24, 2009 - 20:28
in Physics & Chemistry
Scientists are harnessing the cosmos as a scientific "instrument" in their quest to determine the makeup of the universe. Long ago Einstein recognized the potential existence of gravitational lensing, a consequence of his theory of general relativity. According to general relativity, celestial objects create dimples in space-time that bend the light traveling from behind.