1/15/2023
When a black hole feeds, its immense gravity exerts powerful tidal forces on the unfortunate star. As the star is reeled ever closer to the black hole’s maw, the gravity affecting the regions of the star closer to the black hole is far stronger than that acting on the star’s farside. This disparity “spaghettifies” the star into a long, noodle-like string that gets tightly wound around the black hole layer by layer — like spaghetti around a fork.
This doughnut of hot plasma quickly accelerates around the black hole and spins out into an enormous jet of energy and matter, which produces a distinctive bright flash that optical, X-ray and radio-wave telescopes can detect.
The exceptional brightness of this particular black hole feeding session allowed astronomers to study it over a longer time period than is typical for tidal disruption events. This could yield exciting new insights about the unfortunate star’s final moments, the researchers said.
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