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NASA's Voyager 1 Probe Detects 'Gentle Rain' of Plasma Activity in Interstellar Space

NASA s Voyager 1 Probe Detects Gentle Rain of Plasma Activity in Interstellar Space
On 5/11/21 at 10:33 AM EDT
Voyager 1 the first man-made object to enter interstellar space continues to detect plasma waves in deep space despite being far, far away from our sun.
Scientists think that interstellar space, which is the unimaginably vast near-vacuum in between stars, is filled with interstellar plasma.
James Cordes, George Feldstein professor of astronomy at Cornell University, said in a statement that interstellar space is like a quiet or gentle rain, and that the activity of our sun a solar flare, for example is like a lighting burst of plasma activity. ....

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Faraway NASA probe detects the eerie hum of interstellar space

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WASHINGTON The classic 1979 sci-fi horror film “Alien” was advertised with the memorable tagline, “In space no can hear you scream.” It did not say anything about humming.
Instruments aboard NASA’s Voyager 1 spacecraft, which nine years ago exited our solar system’s outer reaches, have detected a faint monotonous hum caused by the constant vibrations of the small amounts of gas found in the near-emptiness of interstellar space, scientists said.
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Faraway NASA probe detects the eerie hum of interstellar space Back to video
It essentially represents the background noise present in the vast expanse between star systems. These vibrations, called persistent plasma waves, were identified at radio frequencies in a narrow bandwidth during a three-year period as Voyager 1 traverses interstellar space. ....

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What is the plasma 'hum' detected by NASA's Voyager 1?

What is the ‘persistent hum’ detected by NASA’s Voyager 1?
Image: © noon@photo/Stock.adobe.com
A ‘persistent hum’ of plasma has been detected by Voyager 1 as it travels through interstellar space.
After launching into space 44 years ago, the NASA Voyager 1 probe has become the most distant human-made object in space – and it’s still going strong.
Now, in a paper published in Nature Astronomy, a team of researchers said a persistent vibrating hum of plasma has been detected by the spacecraft.
Voyager 1 flew past the edge of our solar system almost a decade ago, with NASA confirming its entry to interstellar space in 2014. Now, its instruments have detected the constant drone of interstellar gas, or plasma waves. ....

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Voyager 1 hears a plasma hum in deep space

Voyager 1 hears a plasma hum in deep space
Shane McGlaun - May 11, 2021, 6:21am CDT
Voyager 1 is one of a pair of NASA spacecraft launched 44 years ago. Voyager 1 is the most distant human-made object in space, and it’s still working and getting further from home every day. The spacecraft entered interstellar space after exiting our solar system’s heliopause.
A team of researchers led by Cornell recently published a study outlining something new and interesting instruments aboard the spacecraft have detected. According to the team, Voyager 1’s instruments have detected the constant drone of interstellar gas plasma waves. Data scientists working on the project examined traveled back to Earth from 14 billion miles away. ....

James Cordes , Stella Koch Ocker , ஜேம்ஸ் கார்ட்ஸ் ,

Voyager 1 Picks Up a Hum Outside of our Solar System

Bad news for anyone suffering from one of those mysterious hums that are occurring around the world with no apparent cause nor obvious way to stop them. If you want to just go to a place where you can’t hear them, be prepared for a long trip – a really loooong trip. The Voyager 1 spacecraft, which left Earth in 1977 and left the solar system in 2012, recently picked up a mysterious hum some 14 million miles away from the planet. Does it have enough power left to stick its solar panels inside its audio intakes?
“We find au-scale density fluctuations that trace interstellar turbulence between episodes of previously detected plasma oscillations. Possible mechanisms for the narrowband emission include thermally excited plasma oscillations and quasi-thermal noise, and they could be clarified by new findings from Voyager or a future interstellar mission.” ....

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