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Most Distant Gravitational Lens J10000221
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Most Distant Gravitational Lens J1000+0221

October 18, 2013
This NASA Hubble Space Telescope photo shows the most distant gravitational lens yet discovered. The glow at the center of the image is the central regions of a normal galaxy. By chance it is precisely aligned with a much more remote, young, star-forming galaxy. The light from the more distant object is bent around the nearer object by the closer galaxy's strong gravitational pull to form a ring of multiple images. Credit: NASA, ESA, and A. van der Wel (Max Planck Institute for Astronomy)