In the center of this image, taken with the NASA/ESA Hubble Space Telescope, is the galaxy cluster SDSS J1038+4849, over 4.5 billion light years away — and it seems to be smiling.

In the center of this image, taken with the NASA/ESA Hubble Space Telescope, is the galaxy cluster SDSS J1038+4849, over 4.5 billion light years away — and it seems to be smiling.

NASA / Hubble

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