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Black holes shoot out energetic jets in the universe : Short Wave : NPR

The Owner Press by The Owner Press
February 4, 2025
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In 1918, astronomer Heber Curtis recognized a black gap jet that appeared to shoot out of M87, a galaxy about 50 million gentle years away from Earth.

NASA and the Hubble Heritage Group (STScI/AURA)


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NASA and the Hubble Heritage Group (STScI/AURA)


In 1918, astronomer Heber Curtis recognized a black gap jet that appeared to shoot out of M87, a galaxy about 50 million gentle years away from Earth.

NASA and the Hubble Heritage Group (STScI/AURA)

Black holes are infamous for gobbling up, nicely, every little thing.

“They’re typically seen as form of cosmic vacuum cleaners, simply sucking in all the fabric gasoline and stars that stray shut,” says Priyamvada Natarajan, an astrophysicist at Yale College.

They’re icons of destruction, ruthless voids, ambivalent abysses from which nothing can return.

A minimum of, in line with popular culture. In response to science, there’s a complete world of nuance.

“What’s counterintuitive is that we do see very highly effective jets of fabric which are truly expelled from them as nicely,” Natarajan says.

These jets that shoot out from supermassive black holes, just like the one on the middle of the Milky Approach galaxy, are typically hundreds of thousands of sunshine years lengthy. They carry enormous quantities of vitality and radiation.

“One ought to consider them maybe in the identical means as one thinks about nuclear energy,” says Roger Blandford, an astrophysicist and professor at Stanford College. “After all, they are often famously harmful, but in addition it may be a supply of energy in a nuclear reactor.”

Blandford and his colleague Roman Znajek are identified for developing with a proof for a way these jets get their vitality, often known as the Blandford-Znajek process. Telescope photographs from the previous couple of years have supported their speculation.

In case you preferred this episode you may wish to hear extra about supermassive black holes, what it might be like to fall into a black hole or lessons we can learn from black holes.

Received different cosmic curiosities? E mail us at shortwave@npr.org.

Hearken to Quick Wave on Spotify and Apple Podcasts.

Hear to each episode of Quick Wave sponsor-free and assist our work at NPR by signing up for Quick Wave+ at plus.npr.org/shortwave.

As we speak’s episode was produced by Rachel Carlson. It was edited by Rebecca Ramirez. Tyler Jones checked the info. Jimmy Keeley was the audio engineer.



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