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  2. 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 ...

  3. Binary black hole - Wikipedia

    en.wikipedia.org/wiki/Binary_black_hole

    Computer simulation of the black hole binary system GW150914 as seen by a nearby observer, during its final inspiral, merge, and ringdown. The star field behind the black holes is being heavily distorted and appears to rotate and move, due to extreme gravitational lensing, as space-time itself is distorted and dragged around by the rotating black holes.

  4. Computational astrophysics - Wikipedia

    en.wikipedia.org/wiki/Computational_astrophysics

    A computer simulation of a star falling into a black hole in the process of forming an accretion disk. Computational astrophysics refers to the methods and computing tools developed and used in astrophysics research. Like computational chemistry or computational physics, it is both a specific branch of theoretical astrophysics and an ...

  5. Numerical relativity - Wikipedia

    en.wikipedia.org/wiki/Numerical_relativity

    Numerical relativity is one of the branches of general relativity that uses numerical methods and algorithms to solve and analyze problems. To this end, supercomputers are often employed to study black holes, gravitational waves, neutron stars and many other phenomena described by Albert Einstein's theory of general relativity .

  6. Universe Sandbox - Wikipedia

    en.wikipedia.org/wiki/Universe_Sandbox

    Universe Sandbox is a series of interactive space sandbox gravity simulator educational software video games.Using Universe Sandbox, users can see the effects of gravity on objects in the universe and run scale simulations of the Solar System, various galaxies or other simulations, while at the same time interacting and maintaining control over gravity, time, and other objects in the universe ...

  7. Tidal disruption event - Wikipedia

    en.wikipedia.org/wiki/Tidal_disruption_event

    Simulation of a star being disrupted by a supermassive black hole during a tidal disruption event. [ 1] A tidal disruption event (TDE) is a transient astronomical source produced when a star passes so close to a supermassive black hole (SMBH) that it is pulled apart by the black hole's tidal force. [ 2][ 3] The star undergoes spaghettification ...

  8. Accretion disk - Wikipedia

    en.wikipedia.org/wiki/Accretion_disk

    An accretion disk is a structure (often a circumstellar disk) formed by diffuse material [ a] in orbital motion around a massive central body. The central body is most frequently a star. Friction, uneven irradiance, magnetohydrodynamic effects, and other forces induce instabilities causing orbiting material in the disk to spiral inward toward ...

  9. Gravitational lens - Wikipedia

    en.wikipedia.org/wiki/Gravitational_lens

    Simulated gravitational lensing (black hole passing in front of a background galaxy). In general relativity, light follows the curvature of spacetime, hence when light passes around a massive object, it is bent. This means that the light from an object on the other side will be bent towards an observer's eye, just like an ordinary lens.

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