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  2. Sagittarius A* - Wikipedia

    en.wikipedia.org/wiki/Sagittarius_A*

    Sagittarius A*, abbreviated as Sgr A* (/ ˈ s æ dʒ ˈ eɪ s t ɑːr / SADGE-AY-star [3]), is the supermassive black hole [4] [5] [6] at the Galactic Center of the Milky Way.Viewed from Earth, it is located near the border of the constellations Sagittarius and Scorpius, about 5.6° south of the ecliptic, [7] visually close to the Butterfly Cluster (M6) and Lambda Scorpii.

  3. List of most massive black holes - Wikipedia

    en.wikipedia.org/wiki/List_of_most_massive_black...

    The supermassive black hole at the core of Messier 87, here shown by an image by the Event Horizon Telescope, is among the black holes in this list. This is an ordered list of the most massive black holes so far discovered (and probable candidates), measured in units of solar masses (M ☉), approximately 2 × 10 30 kilograms.

  4. Black Hole Size Comparison Chart Gives New View of Universe

    www.aol.com/news/black-hole-size-comparison...

    The science and philosophy channel Kurzgesagt has come out with a mind-blowing size comparison of the universe's black holes. The post Black Hole Size Comparison Chart Gives New View of Universe ...

  5. List of most massive stars - Wikipedia

    en.wikipedia.org/wiki/List_of_most_massive_stars

    Some black holes may have cosmological origins, and would then never have been stars. This is thought to be especially likely in the cases of the most massive black holes. Stellar black holes are objects with approximately 4–15 M ☉. Intermediate-mass black holes range from 100 to 10 000 M ☉.

  6. TON 618 - Wikipedia

    en.wikipedia.org/wiki/TON_618

    Size comparison of the event horizons of the black holes of TON 618 and Phoenix A.The orbit of Neptune (white oval) is included for comparison. As a quasar, TON 618 is believed to be the active galactic nucleus at the center of a galaxy, the engine of which is a supermassive black hole feeding on intensely hot gas and matter in an accretion disc.

  7. Scientists witness a dormant supermassive black hole roar to life

    www.aol.com/news/scientists-witness-dormant...

    Black holes are extraordinarily dense objects with grav. At the center of the Milky Way galaxy resides a supermassive black hole four million times the mass of our sun called Sagittarius A* that ...

  8. Researchers find binary stars orbiting near Milky Way's ... - AOL

    www.aol.com/researchers-binary-stars-orbiting...

    This image indicates the location of the newly discovered binary star D9, which is orbiting Sagittarius A*, the supermassive black hole at the centre of our galaxy. It is the first star pair ever ...

  9. Supermassive black hole - Wikipedia

    en.wikipedia.org/wiki/Supermassive_black_hole

    [71] [72] An empirical correlation between the size of supermassive black holes and the stellar velocity dispersion of a galaxy bulge [73] is called the M–sigma relation. An AGN is now considered to be a galactic core hosting a massive black hole that is accreting matter and displays a sufficiently strong luminosity.