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  2. 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.

  3. S5 0014+81 - Wikipedia

    en.wikipedia.org/wiki/S5_0014+81

    The object is an OVV (optically violent variable) quasar, a type of blazar.It belongs to the most energetic subclass of active galactic nuclei, which are produced by the rapid accretion of matter by a central supermassive black hole, changing gravitational energy to light energy that can be visible across cosmic distances.

  4. Black hole - Wikipedia

    en.wikipedia.org/wiki/Black_hole

    A black hole with the mass of a car would have a diameter of about 10 −24 m and take a nanosecond to evaporate, during which time it would briefly have a luminosity of more than 200 times that of the Sun. Lower-mass black holes are expected to evaporate even faster; for example, a black hole of mass 1 TeV/c 2 would take less than 10 −88 ...

  5. List of black holes - Wikipedia

    en.wikipedia.org/wiki/List_of_black_holes

    OJ 287 core black holes — a BL Lac object with a candidate binary supermassive black hole core system [23] PG 1302-102 – the first binary-cored quasar — a pair of supermassive black holes at the core of this quasar [24] [25] SDSS J120136.02+300305.5 core black holes — a pair of supermassive black holes at the centre of this galaxy [26]

  6. SMSS J215728.21-360215.1 - Wikipedia

    en.wikipedia.org/wiki/SMSS_J215728.21-360215.1

    SMSS J215728.21-360215.1, commonly known as J2157-3602, is one of the fastest growing black holes and one of the most powerful quasars known to exist as of 2021.The quasar is located at redshift 4.75, [1] corresponding to a comoving distance of 2.5 × 10 10 ly from Earth and to a light-travel distance of 1.25 × 10 10 ly.

  7. OJ 287 - Wikipedia

    en.wikipedia.org/wiki/OJ_287

    In order to reproduce all the known outbursts, the rotation of the primary black hole is calculated to be 38% of the maximum allowed rotation for a Kerr black hole. [10] [4] The companion's orbit is decaying via the emission of gravitational radiation and it is expected to merge with the central black hole within approximately 10,000 years. [11 ...

  8. A giant hole in Siberia is visible from space and growing ...

    www.aol.com/giant-hole-siberia-visible-space...

    A giant hole in the earth is breaking open the land in Siberia, and photos from space show it's growing rapidly. It resembles a stingray, a horseshoe crab, or a giant tadpole.

  9. Black holes in fiction - Wikipedia

    en.wikipedia.org/wiki/Black_holes_in_fiction

    [2] [3] [5] [10] [13] Artificial black holes that are created unintentionally at nuclear facilities appear in Michael McCollum's 1979 short story "Scoop" and Martin Caidin's 1980 novel Star Bright. [2] [3] In David Langford's 1982 novel The Space Eater, a small black hole is used as a weapon against a rebellious planet.

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