‘Odd Radio Circles’ That Baffled Astronomers Are Likely Explosions From Distant Galaxies
In 2019, my colleagues and I discovered spooky glowing rings in the sky using CSIRO’s ASKAP radio telescope in Western Australia. The rings were unlike anything seen before, and we had no idea what they were. We dubbed them odd radio circles, or ORCs. They continue to puzzle us, but new data from South Africa’s […]