Supermassive black hole - Wikipedia
A supermassive black hole (SMBH or sometimes SBH) [ a ] is the largest type of black hole, with its mass being on the order of hundreds of thousands, or millions to billions, of times the mass of the Sun (M☉).
Supermassive black hole (SMBH) | Definition & Facts | Britannica
6 天之前 · supermassive black hole (SMBH), a black hole more than one hundred thousand times the mass of the Sun. Nearly every large galaxy has a supermassive black hole at its centre. Active galactic nuclei, such as Seyfert galaxies and quasars, are powered by supermassive black holes.
X-ray flashes from a nearby supermassive black hole accelerate ...
2025年1月13日 · MIT astronomers observed flashes of X-rays coming from a supermassive black hole at a steadily increasing clip. The source could be the core of a dead star that’s teetering at the black hole’s edge.
Supermassive black holes: Theory, characteristics and formation - Space.com
2022年3月10日 · A few of those black holes are truly enormous, with masses millions of times greater than the sun. Here we take a closer look at the strange world of supermassive black …
Time-lapse of 1st black hole ever imaged reveals how matter …
2 天之前 · Scientists used changes in the supermassive black hole M87*'s accretion disk to infer its orientation, size and turbulence
Webb Detects Most Distant Active Supermassive Black Hole to …
2023年7月6日 · Researchers have discovered the most distant active supermassive black hole to date with the James Webb Space Telescope. The galaxy, CEERS 1019, existed just over 570 million years after the big bang, and its black hole is less massive than any other yet identified in the early universe.
What Are Black Holes? - NASA
2020年9月8日 · The supermassive black hole is located at the heart of a galaxy called M87, located about 55 million light-years away, and weighs more than 6 billion solar masses.
NASA Animation Sizes Up the Universe’s Biggest Black Holes
2023年5月1日 · A new NASA animation highlights the “super” in supermassive black holes. These monsters lurk in the centers of most big galaxies, including our own Milky Way, and contain between 100,000 and tens of billions of times more mass than our Sun.
Black Holes - NASA Science
2024年5月8日 · Black holes can be surrounded by rings of gas and dust, called accretion disks, that emit light across many wavelengths, including X-rays. A supermassive black hole’s intense gravity can cause stars to orbit around it in a particular way.
Monster Black Holes are Everywhere - Science@NASA
Supermassive black holes are millions to tens of billions times the mass of the Sun. A Hubble galaxy census showed that a black hole’s mass is dependent on the mass of its host galaxy’s central bulge of stars: the larger the galaxy, the larger the black hole.