Mysterious features seen in light emitted from active galactic nuclei may be due to partial obscuration by dust clouds. Many large galaxies have a bright central region called an active galactic nucleus (AGN), powered by matter spiraling into a supermassive black hole...
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An international team has imaged newly forming jets of plasma from a massive black hole with unprecedented accuracy...
Read MoreAstronomers may have solved the mystery of the peculiar volatile behavior of a supermassive black hole at the center of a galaxy. Combined data from NASA’s Chandra X-ray Observatory and other observatories suggest the black hole is no longer being fed enough fuel to make its surroundings shine brightly. Many galaxies have an extremely bright core, or nucleus, powered by material falling toward a supermassive black hole. These “active galactic nuclei”, AGN, are some of the brightest objects in the Universe.
Astronomers classify AGN...
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