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LRG 3-757: Galactic Horseshoe

A gravitationally lensed galaxy

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. However, it’s actually the blue horseshoe shape that circumscribes the red galaxy that is the real prize in this image.

This blue horseshoe is a distant galaxy that has been magnified and warped into a nearly complete ring by the strong gravitational pull of the massive foreground Luminous Red Galaxy. To see such a so-called Einstein Ring required the fortunate alignment of the foreground and background galaxies, making this object’s nickname “the Cosmic Horseshoe” particularly apt.

Credit: NASA/ESA/Hubble

(Source: ikenbot, via topazwoods)

20 December 2011 • reblog: ikenbot • reblog universe galaxy star

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    If the’re right,...AWSEOME that I never really thought I’d see…..
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