Quasars can twinkle?

Quasars can twinkle?
By Paul M. Sutter

It turns out you can teach an old dog new tricks. With a recent upgrade to a 50-year-old radio telescope, astronomers have spotted nearly a dozen of a rare class of quasars, ones capable of flickering in less than an hour. Quasars are among the most powerful sources of radiation in the universe. Powered by …

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September 2, 2020 at 02:34AM
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