The Hubble Space Telescope (HST) has spotted rare “double quasars” in the distant universe, implying a catastrophic galactic collision in ancient times. Peering back 10 billion years into the universe’s history, astronomers found a pair of quasars that appear to be a single object. But with the crisp view provided by the HST, the pair
https://www.theepochtimes.com/double-quasars-reveal-galactic-collision-in-ancient-universe_3780498.html

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