Monday, October 26, 2015

Simulation shows black hole swallowing a star to pass – EN Journal

How does a black hole swallows a star? As shown in this simulation done by NASA. Alerted by university researchers, the agency pointed the X-ray telescope at a distant galaxy and watched Work ‘disruptive tides’

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A star can ‘die’ in two ways, say the scientists:. or explode, which leads them to become in supernovas, or are swallowed by the fearsome black holes

But how does a black hole, a phenomenon so intriguing as powerful, can swallow a star? The answer was known a few weeks ago and now NASA introduced a simulation, video, to portray the ‘disruptive tides’, the time when the black hole’s gravity pulls the star to death.

simulation was made possible after the researchers Wings-SN, a program of the Ohio State University sweeping the area looking for extreme events, have alerted the US space agency for the approximation between a black hole and a star in the galaxy PGC043234 , 295 million light-years

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Thanks to a powerful X-ray telescope, NASA managed to record the ‘disruptive tides’ with a detail without precedent.

“We have found evidence of some disruptive tides in recent years and we have thought of several hypotheses about what happens. This is one of our best chance so far about what happens when a black hole smashing a star, “said Jon Miller, a researcher at the University of Michigan

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The phenomenon occurred on 22 November last year, but it is only now that the space agency released the simulation.

When the severity of hole black began to pull the core of the star, the star heated filaments thousands of degrees Celsius, creating a flame. This, however, is no longer visible as soon as the material falls on the horizon of the black hole. Star fragments in gaseous state, then form a disk orbiting the black hole.

“The black hole rips the star and begins to swallow material quickly, but how can not keep this pace eventually expel of the material, “he added Jelle Kaastra, the Space Research Institute of the Netherlands and one of the researchers who participated in the simulation.

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