Physicists dispute a claim of detecting a black hole's 'photon ring'
First photo of a black hole supports Einstein's theory of relativity | CNN
All Black Holes Should Sport Light Rings | Inside Science
What Comes After Photographing a Black Hole's Event Horizon? Could we see the Photon Ring? - Universe Today
What Comes After Photographing a Black Hole's Event Horizon? Could we see the Photon Ring? - Universe Today
Black Hole's Ring of Light Could Encrypt Its Inner Secrets | Quanta Magazine
See a black hole surrounded by rings of light in this remarkable NASA photo | BGR
Black Holes Should Generate Ring of Light, Say Astronomers | MIT Technology Review
Sharp ring of light spotted around supermassive black hole – Physics World
GMS: Black Hole Accretion Disk Visualization
There Are Infinite Rings of Light Around Black Holes. Here's How We Could See Them : ScienceAlert
Why Is the First-Ever Black Hole Picture an Orange Ring? | Live Science
All black holes should sport light rings | Astronomy.com
A new theorem predicts that stationary black holes must have at least one light ring
What happens at the center of a black hole? | Space
Will we ever see a black hole?
Black Hole's Ring of Light Could Encrypt Its Inner Secrets | Quanta Magazine
How Building a Black Hole for 'Interstellar' Led to an Amazing Scientific Discovery | WIRED
Astronomers Discover Way to Get Sharp Images of Black Hole's Photon Rings | Sci.News
Mysterious swirling light gives new insights into black holes | Black holes | The Guardian
There Are Infinite Rings of Light Around Black Holes. Here's How We Could See Them : ScienceAlert
New telescopes may help spot 'photon ring' of first black hole imaged | Science News
Light-Ring Stability for Ultracompact Objects – Emanuele Berti
