Interesting. I wonder if the asymmetry in Luminet's image is due to Doppler effect (redshift on the darker right side, blueshift on the ligher left side), then

Interesting. I wonder if the asymmetry in Luminet's image is due to Doppler effect (redshift on the darker right side, blueshift on the ligher left side), then why does the modern simulation not show it? Matter in the accretion disk does move at relativistic speeds after all.