Four Mysterious Objects Spotted in Deep Space

Strange Signals From 234 Stars Being Investigated
     There’s something unusual lurking out in the depths of space: Astronomers have discovered four faint objects that at radio wavelengths are highly circular and brighter along their edges. And they’re unlike any class of astronomical object ever seen before.
By Mara Johnson-Groh

The objects, which look like distant ring-shaped islands, have been dubbed odd radio circles, or ORCs, for their shape and overall peculiarity….

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