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Hubble captures rare "out-of-sync" spiral galaxy NGC 4698

Astronomers propose past merger or external gas source caused NGC 4698's misalignment

1 Sep 18 9:38 AM · 5d ago · 3 articles · 1 post · 2 sources · development 1 of 1

NASA astronomers explain that NGC 4698's unusual structure likely results from external causes. The galaxy may have undergone a minor galactic merger or funneled in gas from an outside source, which could have formed a disk of gas and stars at an angle to the existing disk. Evidence of past merger activity includes a short tail of hydrogen streaming from one side of the galaxy.

Astronomers propose past merger or external gas source caused NGC 4698's misalignment
NASA breaking

“Astronomers have found that the culprit likely lies outside the galaxy. If NGC 4698 funneled in gas from an outside source, the newly collected gas could have formed a disk of gas and stars in the galaxy's center, at an angle relative to the rest of the disk.”

NASA

NASA Astronomer/Observatory operatorClaire Andreoli Researcher, NASA Goddard Space Flight Center

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1Astronomers propose past merger or…
Sep 19Sep 20Sep 21Sep 22yesterdaynow · 2:56 AM ET

Reported in the same hours no headline names this development itself — these 1 claim were published in its stretch

  1. 2 outlets NASA’s Hubble Spots an Out-of-Sync Galaxy

    first by NASA breaking, 5d ago · also NASA

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