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・ Cosmisoma ammiralis
・ Cosmisoma angustipenne
・ Cosmisoma argyreum
・ Cosmisoma batesi
・ Cosmisoma brullei
・ Cosmisoma cambaia
・ Cosmisoma capixaba
・ Cosmisoma chalybeipenne
・ Cosmisoma compsoceroides
・ Cosmisoma cyaneum
・ Cosmic Force
・ Cosmic Gate
・ Cosmic Genesis
・ Cosmic Girl
・ Cosmic Guerilla
Cosmic Horseshoe
・ Cosmic Ignition
・ Cosmic infrared background
・ Cosmic Infrared Background ExpeRiment
・ Cosmic Interception
・ Cosmic Jackpot
・ Cosmic Kaleidoscope
・ Cosmic King
・ Cosmic latte
・ Cosmic Lieder
・ Cosmic Love
・ Cosmic Man
・ Cosmic mass
・ Cosmic Messenger
・ Cosmic microwave background


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Cosmic Horseshoe : ウィキペディア英語版
Cosmic Horseshoe

The Cosmic Horseshoe is the nickname given to a gravitationally lensed system of two galaxies in the constellation Leo.
The foreground galaxy lies directly in front in our line of sight to a more distant galaxy. Due to the passage of the light from the background galaxy through the gravity field of the foreground galaxy, the background galaxy's light is lensed by the warped spacetime environment of the foreground galaxy. Thus giving the background galaxy a warped appearance. Unlike most lensed galaxies, the shape of the lensed light of this background galaxy appears shaped like a horseshoe.
The foreground galaxy, LRG 3-757, is found to be extremely massive, with a mass a hundred times that of our galaxy. It is notable because it belongs to a rare class of galaxies called luminous red galaxies, which has an extremely luminous infrared emission.
The system was discovered in 2007 by an international team of scientists using the comprehensive Sloan Digital Sky Survey and is greatly studied by the Hubble Space Telescope.
==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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