NASA is celebrating blackhole week by sharing a frankly disturbing visualization to help you picture just how large a supermassive black hole is.
This week is black hole week, and NASA is celebrating by sharing some stunning visualizations of black holes, including a frankly disturbing visualization to help you picture just how large a supermassive black hole is. Supermassive black holes are found at the center of galaxies and generally speaking, the bigger the galaxy, the bigger the black hole.
Learning about black holes is challenging because their tremendous gravity means that they absorb light that comes too close to them — however, they often have disks of dust and gas swirling around them that rubs together and gets hot, making them visible to telescopes. Astronomers can’t directly see the black holes themselves, but they can see this warm matter, which is how the Event Horizon Telescope project has been able to capture famous images of black holes.
Related Videos “Direct measurements, many made with the help of the Hubble Space Telescope, confirm the presence of more than 100 supermassive black holes,” said Jeremy Schnittman, a theorist at NASA’s Goddard Space Flight Center, in a statement. “How do they get so big? When galaxies collide, their central black holes eventually may merge together too.”
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