January 22, 2022

Odd radio circle in space may be supermassive black hole merger

Odd radio circle in space may be supermassive black hole merger
Odd radio circle in space may be supermassive black hole mergerOdd radio circle in space may be supermassive black hole merger
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The Australian Square Kilometre Array Pathfinder telescope array spotted strange radio circles

ASKAP

A mysterious circle of radio waves has been detected, the fifth odd radio circle (ORC) ever spotted, but its cause is still unclear. It could simply be the side view of a galaxy with an active black hole at its centre, although it might be the result of a supermassive black hole merger.

In 2020, Ray Norris at Western Sydney University, Australia, and his colleagues found four strange circles made from radio waves in space. No one had …