A space telescope could reveal a black hole's photon ring

Despite decades of study, black holes are still among the most powerful and mysterious celestial objects ever studied.

Because of the extreme gravitational forces involved, nothing can escape the surface of a black hole (including light)

As a result, the study of these objects has traditionally been confined to observing their influence on objects and spacetime in their vicinity.

It was not until 2019 that the first image of a black hole was captured by the Event Horizon Telescope (EHT).

This feat was made possible thanks to a technique known as Very-Long Baseline Interferometry (VLBI), which allowed scientists to see the bright ring surrounding

It was not until 2019 that the first image of a black hole was captured by the Event Horizon Telescope (EHT).

This feat was made possible thanks to a technique known as Very-Long Baseline Interferometry (VLBI), which allowed scientists to see the bright ring surrounding

which allowed scientists to see the bright ring surrounding the supermassive black hole (SMBH) at the center of the M87 galaxy.

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