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Hum of plasma waves in the 'void' of interstellar space detected by Voyager 1 -- Science & Technology -- Sott.net

© Mark Garlick/Science Photo Library/Getty Images
Illustration of Voyager leaving the Solar System.
Voyager 1, having spent over 43 years zooming away from Earth since its 1977 launch, is now a very long way away indeed.
Its distance from the Sun is over 150 times the distance between Earth and the Sun. It takes over 21 hours for transmissions traveling at light speed to arrive at Earth.
It officially passed the heliopause - the boundary at which pressure from the solar wind is no longer sufficient to push into the wind from interstellar space - in 2012.
Voyager 1 has left the Solar System - and it s finding that the void of space is not quite so void-like, after all. ....

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NASA probe furthest from Earth 'picking up mysterious hum from another galaxy'

NASA probe furthest from Earth 'picking up mysterious hum from another galaxy'
dailystar.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailystar.co.uk Daily Mail and Mail on Sunday newspapers.

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Voyager 1 spacecraft detects deep-space 'hum'

TORONTO
Launched 44 years ago, NASA’s Voyager 1 spacecraft is now the most distant human-made object in space – and it has sent back some new findings from past the edge of our solar system.
Travelling at approximately 61,152 kilometres per hour, Voyager 1 flew by Jupiter in 1979, then Saturn in late 1980, and has now crossed through the heliopause, the solar system’s border with interstellar space, also called the interstellar medium.
A new study led by Cornell University and published in the journal Nature Astronomy details how Voyager 1’s instruments have detected the “constant drone of interstellar gas” or plasma waves, according to a release. ....

James Cordes , Stella Koch Ocker , Cornell University , Nature Astronomy , George Feldstein Professor , ஜேம்ஸ் கார்ட்ஸ் , கார்னெல் பல்கலைக்கழகம் , இயற்கை வானியல் , ஜார்ஜ் ஃபெல்ட்ஸ்டீன் ப்ரொஃபெஸர் ,

Voyager 1 hears plasma 'hum' - Cosmos Magazine

Voyager 1 hears plasma ‘hum’
The distant space probe has found a signal from the interstellar gas.
Voyager space craft journeys out of the heliosphere. Credit: NASA / Wikimedia Commons.
The most far-travelled thing humans have ever made, Voyager 1 is still transmitting trinkets of information to Earth. A team of US researchers has used this data to spot a plasma hum from the thin gas that occupies the space between stars.
“Voyager is sending back detail,” says Shami Chatterjee, a researcher at Cornell University, US, and author on a paper describing the research, published in
Nature Astronomy.
“The craft is saying, ‘Here’s the density I’m swimming through right now. And here it is now. And here it is now. And here it is now.’ Voyager is quite distant and will be doing this continuously.” ....

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Voyager spacecraft detects 'persistent hum' beyond our solar system

Voyager spacecraft detects ‘persistent hum’ beyond our solar system
One of the Earth’s longest-flying spacecraft has detected a “persistent hum” beyond our solar system, according to a new study.
NASA’s Voyager 1 launched on September 5 1977, from Cape Canaveral, Florida, aboard a Titan-Centaur rocket, just weeks after its sister craft, Voyager 2. Although they were initially designed to last five years, more than 43 years after they launched, the crafts are still sending back data as they explore interstellar space.
Instruments aboard Voyager 1, which has moved past the edge of the solar system, through the solar system’s border with interstellar space, known as the heliopause, and into the interstellar medium, have detected the sounds of plasma waves, according to research published Monday in the journal Nature Astronomy. ....

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