Astronomers have identified a possible new member of one of astronomy's strangest classes of objects: Odd radio circles (ORCs), enormous ring-like structures visible only at radio wavelengths. The newly discovered source, J1248+4826, appears to be the most compact ORC candidate identified so far, wi th a ring only about 30,000 parsecs across. The paper was posted to the arXiv preprint server on May 6. ...read more read less