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Behind howls of solar wind, quiet chirps reveal its origins 5nvklj





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Behind howls of solar wind, quiet chirps reveal its origins

Dragon
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Behind howls of solar wind, quiet chirps reveal its origins Empty Behind howls of solar wind, quiet chirps reveal its origins

Post by Dragon on Thu Jan 16, 2020 1:58 pm

There's a wind that emanates from the sun, and it blows not like a soft whistle but like a hurricane's scream.

Made of electrons, protons, and heavier ions, the solar wind courses through the solar system at roughly 1 million miles per hour, barreling over everything in its path.

Yet through the wind's roar, NASA's Parker Solar Probe can hear small chirps, squeaks, and rustles that hint at the origins of this mysterious and ever-present wind. Now, the team at the Johns Hopkins Applied Physics Laboratory, which designed, built, and manages the Parker Solar Probe for NASA, is getting their first chance to hear those sounds, too.

Continued...
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Behind howls of solar wind, quiet chirps reveal its origins 334pu7m
Dragon
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Behind howls of solar wind, quiet chirps reveal its origins Empty Re: Behind howls of solar wind, quiet chirps reveal its origins

Post by Dragon on Thu Jan 16, 2020 2:02 pm

Behind howls of solar wind, quiet chirps reveal its origins Behindhowlso
Credit: NASA/Naval Research Laboratory/Parker Solar Probe

"We are looking at the young solar wind being born around the sun," says Nour Raouafi, mission project scientist for the Parker Solar Probe. "And it's completely different from what we see here near Earth."

Source / Image Courtesy


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Behind howls of solar wind, quiet chirps reveal its origins 334pu7m
Dragon
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Behind howls of solar wind, quiet chirps reveal its origins Empty Re: Behind howls of solar wind, quiet chirps reveal its origins

Post by Dragon on Thu Jan 16, 2020 2:03 pm



Parker Solar Probe is scheduled to make another 21 orbits around the sun, using five flybys of Venus to propel itself increasingly closer to the star.


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Behind howls of solar wind, quiet chirps reveal its origins 334pu7m

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Behind howls of solar wind, quiet chirps reveal its origins Empty Re: Behind howls of solar wind, quiet chirps reveal its origins

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