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Citizen Scientists Discover Distant Radio Circles in Space

10/15/2025

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Summary

Story summary

Three new odd radio circles (ORCs) were discovered by citizen scientists in distant galaxy clusters.
The most distant ORC, RAD J131346.9+500320, spans 978,000 light-years.
It lies 7.5 billion light-years from Earth.
LOFAR confirmed the discovery.
The findings highlight the value of citizen science in astronomy as next-generation telescopes like the Square Kilometre Array will enhance observations.

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Story summary

Three new odd radio circles (ORCs) were discovered by citizen scientists in distant galaxy clusters.
The most distant ORC, RAD J131346.9+500320, spans 978,000 light-years.
It lies 7.5 billion light-years from Earth.
LOFAR confirmed the discovery.
The findings highlight the value of citizen science in astronomy as next-generation telescopes like the Square Kilometre Array will enhance observations.