Field of Galaxies (IMAGE)

NASA/Goddard Space Flight Center

Field of Galaxies

Caption

The galaxy cluster SDSS J1110+6459 is located about 6 billion light-years from Earth and contains hundreds of galaxies. At left, a distinctive blue arc is actually composed of three separate images of a more distant background galaxy called SGAS J111020.0+645950.8. The background galaxy has been magnified, distorted, and multiply imaged by the gravity of the galaxy cluster in a process known as gravitational lensing.

Credit

NASA, ESA, and T. Johnson (University of Michigan)

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