«Voyager-1» handed over to the ground of the buzz of plasma in interstellar space

16 октября, 2021 от hiteck Выкл

More than 40 years have passed since its launch, and Voyager-1 still makes discoveries. The probe has long crossed the border of the Heliosphere and left the limits of the solar system, heading into the interstellar space. Being on a fantastic distance from us in more than 20 billion km, he recorded and handed over the new unique data on the ground — the plasma wave buzz in the interstellar space.

On board the Voyager-1 apparatus, which started from the Earth in 1977, there was a wavelength detector Plasma Wave System (PWS), measuring electron density. The probe used it to study the magnetosphere of Jupiter and Saturn, as well as records of radio waves emanating from gas and ice giants. After 44 years of flight and passing through the border of the Heliosphere, this tool remained one of the few on board in working condition (the initial resource of the equipment was designed for 5 years). With the help of PWS NASA in 2012 confirmed that Voyager-1 became the first object created by the hands of people who came out into the interstellar space.

Since then, the probe regularly sent data on the uncharted territories obtained using PWS,

Fix such a signal was more difficult than it seems. Although the solar wind does not blow outside the heliosphere, the influence of the sun is sometimes breaking into the interstellar space, when a coronary release occurs on the star. These energy bursts were recorded by Voyager-1 in 2014 and they drove everything else. But over time, the tool was able to hear something else.

The accumulation and its colleagues are confident that the activity of interstellar gas is higher than the scientists before. And with its help, you can trace the spatial distribution of plasma — in the intervals between the stunning detector with solar flares.

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