Artist’s impression of odd radio circles. “Odd radio circles” (ORCs) have been astronomy’s most mysterious objects for a few years and, if you hadn’t guessed it yet, scientists continue to be baffled about what exactly these giant radio rings in space really are. Data from SARAO's MeerKAT radio telescope data (green) showing the odd radio circles, is overlaid on ... [+] optical and near infra-red data from the Dark Energy Survey. J. English (U. Manitoba)/EMU/MeerKAT/DES(CTIO)How big are ‘odd radio circles’ and how many have been found? Only five odd radio circles have ever been revealed in space.

Source: Forbes April 01, 2022 09:51 UTC