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Gravitational Lens 0211+1139

Gravitational Lens 0211+1139


Date: 18 February 2008
Satellite: Hubble
Depicts: Gravitational Lens 0211+1139
Copyright: Credit: NASA, ESA, C. Faure (Zentrum für Astronomie, University of Heidelberg) and J.P. Kneib (Laboratoire dAstrophysique de Marseille)

This lens is an example of the rich diversity of 67 strong gravitational lenses found in the COSMOS survey. The lenses were discovered in a recently completed, large set of observations as part of a project to survey a single 1.6-square-degree field of sky (nine times the area of the full Moon) with several space-based and Earth-based observatories.

Gravitational lenses occur when light travelling towards us from a distant galaxy is magnified and distorted as it encounters a massive object between the galaxy and us. These gravitational lenses often allow astronomers to peer much further back into the early Universe than they would normally be able to.

This is a colour image composed by data taken by CFHT, and sharpened with images taken by Hubble ACS camera.

Last Update: 1 September 2019
24-Sep-2021 18:24 UT

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