Sun's scorching hot, spiraling wind re-created in a lab
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Scientists have replicated mini gusts of solar wind in the lab as a way to potentially unravel some of the sun's mysteries.
A team of physicists at the Wisconsin Plasma Physics Laboratory used a 9-foot-wide aluminum vacuum chamber called the Big Red Ball to confine a ball of plasma heated to an astounding 100,000 degrees Celsius, according to Science News.
A magnet in the center mimics the sun's magnetic field, and researchers then apply electric currents to send the plasma spinning and the wind streaming, the science site adds.
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“We’re not re-creating the sun, because that’s impossible,” plasma physicist Ethan Peterson of the University of Wisconsin–Madison, told Science News. “But we’re re-creating some of the fundamental physics that happens near the sun.”
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Of course, there are some big differences between the actual sun and the scientists' Big Red Ball.
During the experiment, the wind also occasionally ejected little blobs of plasma, each about 4 inches across, researchers said.
According to Peterson, our sun ejects similar blobs, which are called plasmoids, but no one is sure why.
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The Big Red Ball could help provide an answer, Peterson explained.
The scientists' work was published in the journal Nature Physics.