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  2. IGR J17091-3624 - Wikipedia

    en.wikipedia.org/wiki/IGR_J17091-3624

    IGR J17091 is a stellar mass black hole with a mass between 3 and 10 M ☉. It is a binary system in which a star orbits the black hole. [4] Its small size may make it a candidate for the smallest black hole discovered. [5] However, as of 2017 its mass was described as "unknown". [6]

  3. Binary black hole - Wikipedia

    en.wikipedia.org/wiki/Binary_black_hole

    A binary black hole (BBH), or black hole binary, is a system consisting of two black holes in close orbit around each other. Like black holes themselves, binary black holes are often divided into binary stellar black holes , formed either as remnants of high-mass binary star systems or by dynamic processes and mutual capture; and binary ...

  4. Black Hole (board game) - Wikipedia

    en.wikipedia.org/wiki/Black_Hole_(board_game)

    Black Hole is a two-player space combat game. The setting is in an asteroid shaped like a doughnut that was created by aliens and has a black hole in the middle. Each player represents a major corporate power trying to take possession of the asteroid, its alien artifacts, and the black hole.

  5. Beyond the Black Hole (video game) - Wikipedia

    en.wikipedia.org/wiki/Beyond_the_Black_Hole...

    Beyond the Black Hole is a game where the player is a scientific officer placed in charge of investigating some unusual phenomena. The player uses cartography orbs to examine objects in space, with two rebound fields on the left and right edges of the screen to reflect the orb back to the middle.

  6. List of nearest known black holes - Wikipedia

    en.wikipedia.org/wiki/List_of_nearest_known...

    First dormant black hole discovered, First Sun-like star in black hole binary system discovered: First detected via positional shifts of visible companion [21] [22] [23] 1986—2022 3,000 ly (2.8 × 10 16 km; 1.8 × 10 16 mi) V616 Monocerotis (A0620−00) 5.86 M ☉ (1.165 × 10 31 kg; 2.57 × 10 31 lb) Visible variable star X-ray binary system

  7. Blackhole (video game) - Wikipedia

    en.wikipedia.org/wiki/Blackhole_(video_game)

    The game was re-released as Blackhole: Complete Edition on June 15, 2016. [5] This version includes the fully updated base game, 3 DLCs (Testing Lab, Secret of the Entity and Challenge Vault), digital artbook and soundtrack, developer diaries, first prototype of the game, printable high resolution artwork, wallpapers, and collector cards. [5]

  8. Kruskal–Szekeres coordinates - Wikipedia

    en.wikipedia.org/wiki/Kruskal–Szekeres_coordinates

    The black hole event horizon bordering exterior region I would coincide with a Schwarzschild t-coordinate of + while the white hole event horizon bordering this region would coincide with a Schwarzschild t-coordinate of , reflecting the fact that in Schwarzschild coordinates an infalling particle takes an infinite coordinate time to reach the ...

  9. 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 ...