Imaging ever closer to the event horizon

As the number and variety of ground- and space-based telescopes increases, we’re inching ever closer to seeing the unseeable: what waits on the other side of the event horizon of a black hole (see the earlier article about a new hypothesis that in certain circumstances, they could even be traversable). Considering that only a few brief decades ago, the mere existence of black holes was at best a somewhat dubious theory posited by some admittedly brilliant men, we’ve come a long way in a short time.

https://arstechnica.com/science/2019/01/imaging-ever-closer-to-the-event-horizon/

 
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Originally posted on Twitter.