A nearly perfect Einstein Ring (gravitational lensing by a nearby galaxy acting as a natural telescope to focus the light from a more distant galaxy )has been found.
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Astronomers have spotted the most distant Einstein ring ever seen. It gives an insight into both the gravitational lensing galaxy and the more distant magnified galaxy.
Gravitational lensing occurs because massive objects - ranging from stars to entire galaxies - distort the fabric of space-...
Hubble Captures a "Lucky" Galaxy Alignment An interesting galaxy has been circled in this NASA/ESA Hubble Space Telescope image. The galaxy - one of a group of galaxies called Luminous Red Galaxies - has an unusually large mass, containing about ten times the mass of the Milky Way. Howev...