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A comment on Gigantic jet spied from black hole in early universe. Parent comment

Re:Gigantic jet spied from black hole in early universe by Keysh on Friday March 12, 2021 @12:16PM (#26438089)
If the jet only turned on a finite time ago, then it will only have gotten so far in that time, so it will have a length = (jet velocity) * (time jet has been active).
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