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Odd Radio Circles (ORCs) - A mysterious new class of circular radio objects discovered by ASKAP.

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ASKAP

Odd Radio Circles (ORCs)

Also known as: ORC1, ASKAP J210857.7-510851

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Analysis

ORCs are giant rings of radio emission surrounding distant galaxies - a completely new phenomenon.

Key Features

Circular morphology
Central galaxy
No optical counterpart
Possible shockwave origin

Fun Fact

The rings are about 1 million light-years across

Observation Details

Coordinates: RA: 21h 8m 57.60s, Dec: -51° 8' 60.0"
Observation Date: September 1, 2020

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