Science
Astronomers Are Mystified by These Ghostly, Unexplained Circles Seen in Space – ScienceAlert
In September 2019, my colleague Anna Kapinska gave a presentation showing interesting objects she’d found while browsing our new radio astronomical data. She had…

In September 2019, my colleague Anna Kapinska gave a presentation showing interesting objects she’d found while browsing our new radio astronomical data. She had started noticing very weird shapes she couldn’t fit easily to any known type of object.
Among them, labelled 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 us had ever seen anything like it before, and we had no idea what it was. A few days later, our colleague…
Continue Reading