Odd Radio Circles
Scientists Capture Best Images Yet of Unexplained Ring Structures in Space
Odd Radio Circles (ORCs), which stretch across more than a million light-years, have perplexed scientists for years.
Scientists Spot Yet Another Unexplained Ring-Shaped Radio Structure In Space
A new Odd Radio Circle (ORC) appears to span a million light years, and contains a clue that could explain these ghostly structures.
Advertisement