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SDSS J1152+3313
Galaxy cluster in the Ursa Maor constellation From Wikipedia, the free encyclopedia
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SDSS J1152+3313 is a galaxy cluster in the constellation of Ursa Major, approximately 4 billion light-years away.[1] According to NASA, this particular cluster provides a valuable clue about how stars formed in the early universe.[2] NASA and ESA used the Wide Field Camera 3 of the Hubble Space Telescope to image the cluster, which demonstrates the effects of gravitational lensing. The lens of SDSS J1152+3313 is not only warping the appearance of the distant galaxy, but also amplifying its light.[3]
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