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Scientists throw model stars into virtual black holes to see who survives

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This animation depicts a star sweating as it is sucked in by a supermassive black hole during a “tidal disturbance event”. Credit: ESO/M. Kornmeiser

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Watch eight star skirt a

black hole-

A black hole is a place in space where the pull of gravity is so strong not even light can escape it. Astronomers classify black holes into three categories by size: miniature, stellar, and supermassive black holes. Miniature black holes could have a mass smaller than our Sun and supermassive black holes could have a mass equivalent to billions of our Sun.-“>Black hole 1 million times the mass of the Sun in this giant computer simulation. As they approached, everyone was attracted and distorted by the black hole’s gravitational pull. Some actually break up into long streams of gas, a catastrophic phenomenon called tidal turbulence events. The others were only partially damaged, retaining some of their mass and returning to their normal form after their gruesome encounter.

Watch as eight models of stars expand and warp as they approach a hypothetical black hole one million times the mass of the Sun. Black holes tear some stars into streams of gas, a phenomenon called tidal disturbance events. The others managed to hold off their close encounter. These simulations show that destruction and survival depend on the initial density of the star. Yellow represents the highest intensity while blue represents the lowest intensity. attributed to him:

NASA-

Established in 1958, the National Aeronautics and Space Administration (NASA) is an independent agency of the United States Federal Government that succeeded the National Advisory Committee for Aeronautics (NACA). It is responsible for the civilian space program, as well as aeronautics and aerospace research. It’s vision is “To discover and expand knowledge for the benefit of humanity.”-“> NASAGoddard / Taiho Rio Space Flight Center (MPA)

This simulation, led by Taihu Ryu, a fellow at the Max Planck Institute for Astrophysics in Garching, Germany, is the first to combine the physical effects of Einstein’s general theory of relativity with a realistic model of stellar density. The mass of a hypothetical star ranges from about one-tenth to 10 times the mass of the Sun.

The split between a star that is completely broken and that that survives is not about mass. In contrast, survival is more dependent on star density.

From left to right, this illustration shows four hypothetical shots of a sun-like star approaching a black hole a million times the mass of the sun. The star expands and loses some of its mass, then begins to regain its shape as it moves away from the black hole. Credit: NASA Goddard Space Flight Center/Taiho Rio (MPA)

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Rio and his team are also investigating how other properties, such as the black hole’s different mass and stellar proximity, affect tidal disturbance events. The results will help astronomers estimate how often tidal disturbances occur in the universe and will help them build a more accurate picture of this tragic cosmic event.

Reference: “Main sequence star tidal disturbance. 1. Observable quantities and their dependence on stellar wormhole mass and darkness” by Taihu Rio, Julian Krulik, Zvi Beran and Scott C. Noble, 25 November 2021, Astrophysics Journal.
DOI: 10.3847 / 1538-4357 / abb3cf

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