LOL!! The "deep shaft" was just a "gedanken experiment crutch" to confine and collimate a beam. I actually envision a "directed, collimated, coherent phenomenon" -- analogous to
"Cosmic Jets" -- except this one barely shows up at all at radio frequencies... And, of course, whole galaxies don't whirl around fast enough to present brief, repetitive pulses at a distance...'-)
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Like most everyone else here, I suspect that a magnetar may be a good culprit to blame for this one... '-)
The power of those jets is astonishing. They affect space around them out to a distance of hundreds of light years, if not more.
Those are amazing pictures. The one in x-ray wavelengths is astonishing. I didn’t realize we had the technology to make such an image.