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November 24, 2020, 2:56 pm UTC    
July 15, 2020 03:35PM
Paul H. Wrote:
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> New Class of Radio-Astronomical Objects
> Discovered: Odd Radio Circles

Or ORCs, as they were promptly christened.

(No mention of elves or hobbits, though ... )

On a more serious note:

Quote

The edge-brightening in some ORCs suggests that this circular image may represent a spherical object, which in turn suggests a spherical wave from some transient event.
“Several such classes of transient events, capable of producing a spherical shock wave, have recently been discovered, such as fast radio bursts, gamma-ray bursts, and neutron star mergers. However, because of the large angular size of the ORCs, any such transients would have taken place in the distant past.

Fascinating ...

Hermione
Director/Moderator - The Hall of Ma'at


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Subject Author Posted

New Class of Radio-Astronomical Objects Discovered: Odd Radio Circles

Paul H. July 15, 2020 08:15AM

Re: New Class of Radio-Astronomical Objects Discovered: Odd Radio Circles

Hermione July 15, 2020 03:35PM



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