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Anything closer than a sphere around the body of that radius would travel through a surface of no return, the black hole’s event horizon. The most obvious source of such a body would be a collapsing star. In normal operation, a star’s nuclear reactions fluff it up against the pull of gravity.
- The incredible story of how we discovered black holes
Schwarzschild ran a weather station in Belgium, calculated...
- The incredible story of how we discovered black holes
10 Απρ 2019 · Black holes have been beguiling from the very beginning. Hinted at as early as the 1780s and predicted by Einstein’s general theory of relativity, they didn’t get the name we know today until...
19 Απρ 2019 · Learn how a team of international astronomers used a network of telescopes called the Event Horizon Telescope to image the silhouette of a black hole in the galaxy M87. Find out how they improved upon a technique called Very Long Baseline Interferometry and what they discovered about these mysterious structures.
Schwarzschild ran a weather station in Belgium, calculated shell trajectories with an artillery battery in France and, at the end of 1915, found himself on the Eastern Front. There, he developed blisters in his mouth.
6 Μαΐ 2022 · Black holes are real, they're some of the strangest objects in space. Discover what black holes are and how they form with our informative black hole guide.
29 Αυγ 2019 · Measuring black hole spins not only teaches us about general relativity, but it also provides important insight into how massive stars evolve and collapse in supernovae.
The first black hole known was Cygnus X-1, identified by several researchers independently in 1971. [9][10] Black holes of stellar mass form when massive stars collapse at the end of their life cycle. After a black hole has formed, it can grow by absorbing mass from its surroundings.
