We have our best look yet at mysterious ORCs (odd radio circles) in space - Ars Technica

New observational data rules out all but three possibilities about what they might be.

Enlarge/ Data from SARAO's MeerKAT radio telescope data (green) showing the odd radio circles, is overlaid on optical and near infrared data from the Dark Energy Survey. 2 with 2 posters participat… [+6588 chars]

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