What are ORC's

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What are ORC's

guohua Offline

**In Memoriam**

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03-24-2022, 11:12 PM

What really are Odd Radio Circles (ORC) in space?
Does anyone really know?
No, they are just guessing right now.

Astronomers have taken the clearest images yet of "odd radio circles" – mysterious radio waves a million light years across – and they all seem to have central galaxies containing active supermassive black holes.