
For the first time in human history, we have seen a black hole. The image was captured by Event Horizon Telescope, a composite telescope the size of the whole Earth. Black holes could have been relegated to mathematics and remained a physical absurdity. These dead stars collapse under their own weight so catastrophically that even light gets dragged down the hole, casting a shadow on the sky. That shadow is the event horizon, left behind while the stellar material continues to fall to an unknown fate.
This project is supported by Science Sandbox, a Simons Foundation initiative dedicated to engaging everyone with the process of science.
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