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Submission + - Astronomer Clowes discovers a group of quasars 4 billion light years across (

mal0rd writes: "The NewScientist reports "A collection of galaxies that is a whopping four billion light years long is the biggest cosmic structure ever seen. The group is roughly one-twentieth the diameter of the observable universe – big enough to challenge a principle dating back to Einstein, that, on large scales, the universe looks the same in every direction."

For reference, Andromeda is only 2 million light years away."

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