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NASA video shows what would happen if you fell into a black hole In a new video coming out of the movie InterstellarNASA has revealed what it might feel like to fall into a black hole.The simulation was created using a NASA supercomputer and imagines what a person might see as they plummet past the event horizon of a black hole into the abyss beyond.Another simulation shows what a person walking past a black hole would see, with space appearing to bend and twist as the viewer zooms past.

Image from a NASA simulation of a falling black hole (main) and a distant supermassive black hole (inset). This simulation shows what a person falling into a black hole would see.
Image from a NASA simulation of a falling black hole (main) and a distant supermassive black hole (inset). This simulation shows what a person falling into a black hole would see.
NASA Goddard Space Flight Center/J. Schnittman and B. Powell
"I simulated two different scenarios, one where a camera - a stand-in for an intrepid astronaut - just misses the event horizon and slings back, and one where it overshoots the limit, sealing its fate," said simulation creator Jeremy Schnittman. astrophysicist at NASA's Goddard Space Flight Center in Greenbelt, Maryland, said in a statement.Black holes are objects that have such a strong gravitational pull that not even light can escape from them. There are several types, including stellar black holes (formed by the collapse of individual stars) and supermassive black holes (found at the centers of most galaxies, including the Milky Way). Every black hole has an event horizon, which is the boundary around a black hole beyond which no light or other radiation can escape.The black hole in the NASA simulation is a supermassive black hole, like the one at the center of our galaxy, with a mass about 4.3 million times that of our sun and an event horizon about 16 million miles wide. The bright ring of gas around the black hole is known as the accretion disk, which glows brightly due to the large amount of heat generated by friction.The simulation shows the viewer starting about 400 million miles away from the black hole and rapidly falling toward it, with the accretion disk warping and warping as the viewer gets closer.
"If you have the choice, you want to fall into a supermassive black hole," Schnittman said. "Stellar-mass black holes, which contain up to 30 solar masses, have much shorter event horizons and stronger tidal forces, which can break up approaching objects before they reach the horizon."This is because the force of gravity acting on your body would be stronger on your feet than on your head, stretching you person to person in a process known as spaghettiization."A stellar-mass black hole has such extreme tidal forces outside its event horizon (an astronaut falling feet first would feel stronger gravity on his feet than his head) that our astronaut would be torn apart long before reaching the event horizon" , said Ben Farr, a physicist and gravitational wave astronomer at the University of Oregon, previously said Newsweek. "Tidal forces are felt by an object when the force of gravity it receives from some massive object is stronger on one side of it than the other."For this simulated black hole, the viewer would only have 12.8 seconds before being destroyed by spaghetti.The other simulation shows a viewer orbiting close to the event horizon but not quite crossing it. A person coming this close to a black hole of this size would return 36 minutes younger than those who stayed further away, due to the difference in the speed of time passing near an object with such high gravity.
"This situation could be even more extreme," Schnittman said. “If the black hole was spinning fast, like the one shown in the 2014 movie Interstellarshe would return many years younger than her companions."These simulations were done using the Discover supercomputer at NASA's Climate Simulation Center and take up about 10 terabytes of data."People often ask about this, and simulating these hard-to-imagine processes helps me connect the mathematics of relativity to real-world consequences in the real universe," Schnittman said.Do you have a tip for a science story that Newsweek should it cover? Have a question about black holes? Let us know via [email protected].

Uncommon Knowledge

Newsweek is committed to challenging conventional wisdom and finding connections in search of common ground.Newsweek is committed to challenging conventional wisdom and finding connections in search of common ground.
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