ORCs, Newly Discovered Ghostly Circles in the Sky Can’t Be Explained by Current Theories

Astronomers have found ghostly circles of radio emission, hanging in space like cosmic smoke rings. What are they? No one knows. The race is on to find out.



In September 2019, the astronomer Anna Kapinska gave a presentation showing interesting objects she had found while browsing new radio astronomical data. She had started noticing very weird shapes she couldn’t fit easily to any known type of object. Among them, labeled by Anna as WTF?, was a picture of a ghostly circle of radio emission, hanging out in space like a cosmic smoke-ring. None of the attending astronomers had ever seen anything like it before, and had no idea what it was. A few days later, another astronomer, Emil Lenc found a second one, even more spooky than the first one.


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