'Scary Barbie' is an incredibly bright cosmic object that has been burning for two years, and it has yet to sputter out.
Black holes feed upon unfortunate stars that cross their paths, using tidal forces exerted by their immense gravitational pulls. 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"" 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 noodle of hot plasma then quickly accelerates around the black hole and spins out into an enormous jet of energy and matter, which produces a distinctive bright beam of light — known as aBecause Scary Barbie's light came from a remote region of the sky — traveling around 7.7 billion years across the expanding fabric of space-time — astronomers didn't spot the event directly.
But Scary Barbie — a nickname made by appending its randomly assigned alphanumeric name, ZTF20abrbeie, with a reference to its frightening power — is weird even among other rare and extreme astronomical events. It is much brighter than any other transient event the astronomers could compare it to, and, while transient events usually last only weeks or months, Scary Barbie has already burned incandescently for more than two years, with no indication it will sputter out.
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