Odd radio circles perplex astronomers

EarthSky ^ | March 23, 2022 | y Deborah Byrd

[BenLurkin]

Astronomers call it an odd radio circle or ORC. Astronomers have spotted only a handful of ORCs. They’re huge, about a million light-years across (16 times bigger than our Milky Way galaxy). Despite this, the ORCs are hard to see. They’re visible only at radio wavelengths. And, so far, they are unexplained. Since their discovery in 2019, astronomers have proposed different explanations for them, including galactic shockwaves, or the throats of wormholes. What are they?

Ray Norris from Western Sydney University and CSIRO, one of the authors on a new paper about ORCs, said only five odd radio circles have ever been revealed in space. Norris said in an article released March 21, on The Conversation:

"We can now see each ORC is centred on a galaxy too faint to be detected earlier. The circles are most likely enormous explosions of hot gas, about a million light years across, emanating from the central galaxy."

As of now, there are three leading theories to explain what causes ORCs:

– They could be the remnant of a huge explosion at the center of their host galaxy, like the merger of two supermassive black holes.

– They could be powerful jets of energetic particles spewing out of a galaxy’s center.

– They might be the result of a starburst “termination shock” from the production of stars in the galaxy.

[Quality_Not_Quantity]

Didn't we see this on Star Trek???

[null and void]

Seyfert galaxies?

[Verginius Rufus]

The article fails to answer two obvious questions: Do they contribute to global warming? Can they be blamed on Donald Trump?

[Manly Warrior]

Joe, the radio tech, forgot to zero the RF gain control. Back in 1953.

[Red Badger]

[Red Badger]

It’s a Dyson Sphere........... It’s in a vacuum..................

[buckalfa]

It is just the Zargons bouncing their short wave signals off of the intergalactic atmosphere 🤔.

[Stosh]

I think ZZ Top picked up on this phenomenon a good while back: https://www.youtube.com/watch?v=a5At5_PUzCc&t=49s

[Red Badger]

[Reily]

No! Its a Vogon Pan-Galactic traffic signal!

[dfwgator]

SEND MORE CHUCK BERRY!

[xenia]

We have a Magnificent and Awesome Creator God.

[ptsal]

Bkmk

[\/\/ayne]

"Are you receiving my transmissions?" "Yes."

[Telepathic Intruder]

"Astronomers have spotted only a handful of ORCs"

[Nifster]

Oh goody science fiction comes to life

[The Louiswu]

[jettester]

“Don’t chew with your mouth open while viewing through your telescope....”

[jettester]

“Don’t chew with your mouth open while viewing through your telescope....”