Eerie Circles in Space Could Be Blasts From Black Holes
<img width="1024" height="415" src="https://www.sciencealert.com/images/2024/05/FirstOddRadioCircleFromDarkEnergySurvey.jpg"; alt="Blurry green bubble cloud in space with field of stars"/>They've puzzled astronomers for years.
https://www.sciencealert.com/eerie-circles-in-space-could-be-blasts-from-black-holes
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2025-09-26 22:00:03 UTC
![https://www.sciencealert.com/images/2024/05/FirstOddRadioCircleFromDarkEnergySurvey.jpg"](https://www.sciencealert.com/images/2024/05/FirstOddRadioCircleFromDarkEnergySurvey.jpg"){kind=link}
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2025-09-26 22:00:03 UTCEvent JSON
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