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Space
Space
Science
Robert Lea

The mystery of vast 'cosmic ORCs' — odd radio circles that encompass entire galaxies — may be solved

A strange blob of green circles around a galaxy in deep space.

Scientists may finally have solved the mystery of cosmic ORCs, or "odd radio circles" as they are officially known, that are so vast they are 10 times the width of the Milky Way and can encompass entire galaxies.

A team of astronomers led by University of California San Diego Professor of Astronomy and Astrophysics Alison Coil have pointed toward powerful winds erupting from bursts of exploding stars, or supernovas, as the cause of vast shells of gas that are seen in radio waves as ORCs. The research was unveiled Wednesday (Jan. 8) at the 243rd meeting of the American Astronomical Society in New Orleans.

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