johncarlosbaez, 13 days ago (edited 2 days ago) Here's a possible scenario for the formation of an ORC: some sort of explosion in the host galaxy, producing a shock wave that expanded outwards for a billion years. For more on ORCs, try these: • Wikipedia, Odd radio cluster, https://en.wikipedia.org/wiki/Odd_radio_circle • Ray P. Norris, Evan Crawford and Peter Macgregor, Odd radio circles and their environment, Galaxies, https://www.mdpi.com/2075-4434/9/4/83 • Ashley Balzer, X-ray satellite XMM-Newton sees ‘Space Clover’ in a new light, NASA, https://www.nasa.gov/missions/xmm-newton/x-ray-satellite-xmm-newton-sees-space-clover-in-a-new-light/ (2/2)
Here's a possible scenario for the formation of an ORC: some sort of explosion in the host galaxy, producing a shock wave that expanded outwards for a billion years.
For more on ORCs, try these:
• Wikipedia, Odd radio cluster, https://en.wikipedia.org/wiki/Odd_radio_circle
• Ray P. Norris, Evan Crawford and Peter Macgregor, Odd radio circles and their environment, Galaxies, https://www.mdpi.com/2075-4434/9/4/83
• Ashley Balzer, X-ray satellite XMM-Newton sees ‘Space Clover’ in a new light, NASA, https://www.nasa.gov/missions/xmm-newton/x-ray-satellite-xmm-newton-sees-space-clover-in-a-new-light/
(2/2)
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