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Astronomers Spot Most Distant Known Galaxy
Mission: Hubble Space TelescopeInstrument: Advanced Camera for Surveys, Wide Field Camera 3 Size: 1578 x 1520
In this Hubble observation, astronomers used the massive galaxy cluster MACS J0647+7015 as the giant cosmic telescope. The bright yellow galaxies near the center of the image are cluster members.
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Galaxy Cluster and Giant Arc
Mission: Hubble Space TelescopeInstrument: Advanced Camera for Surveys, Wide Field Camera 3 Size: 1485 x 1045
Astronomers using NASA's Hubble Space Telescope have found a puzzling arc of light behind an extremely massive cluster of galaxies residing 10 billion light-years away.