Oct 01, 2025TechGlobalRoyal Astronomical Society

Astronomers Uncover the Most Powerful 'Odd Radio Circle' Yet

A swirling cosmic phenomenon resembling a radio circle against a starry backdrop

Astronomers have just made headlines with the discovery of the most distant and powerful 'odd radio circle' (ORC) ever observed, a bizarre cosmic structure that's as intriguing as it is rare.

These enigmatic rings, which appear as faint, circular glows in radio wavelengths, were only first detected back in 2019. Since then, only a handful have been found, leaving scientists scratching their heads over their origins. The latest find, dubbed ORC1, stretches across an astonishing 1.4 million light-years and hails from a time when the universe was about 5 billion years old—making it the most ancient ORC spotted to date.

Using cutting-edge telescopes like the Australian Square Kilometre Array Pathfinder (ASKAP) and the Very Large Array (VLA), researchers picked up on this powerhouse's signal from over 7.9 billion light-years away. Unlike typical radio galaxies with their jet-like emissions, ORCs seem to form perfect circles with no central bright spot, hinting at something truly unique at play—perhaps shockwaves from merging black holes or explosive events in distant galaxies.

This breakthrough not only expands our catalog of these oddities but also opens doors to understanding how galaxies evolve over cosmic timescales. As lead researcher Dr.__| explains, "It's like finding a new species in the universe's vast ocean—each discovery brings us closer to unraveling the mysteries of the cosmos."

While the full implications are still unfolding, this ORC could redefine our models of radio emissions and galactic interactions. Stay tuned as more observations pour in; the sky's full of surprises.