A still image from the animation of RAD J131346.9+500320. Credit: RAD@home Astronomy Collaboratory (India). When astronomers first started finding “odd radio circles,” or ORCs, they were baffled.
The finding offers tantalizing clues in the ongoing quest to piece together the origins of ORCs—mysterious, ring-shaped radio signals from space. Reading time: Reading time 2 minutes For lovers of ...
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