The small spacecraft stared straight at the source of solar wind, likely uncovering the process that drives the violent bursts of plasma.
“You’d see high velocity wind with lots and lots of bursts and then it would sort of die down a little bit, and then you’d see it getting stronger again with many more bursts.”
The new study suggests that solar wind is produced by the process of magnetic reconnection, which is when oppositely directed magnetic fields pass one another through these funnels, moving in and out of the surface of the Sun. Through this process, magnetic fields often break and then reconnect, slinging charged particles away from the Sun. “If you have two magnetic fields pointing in opposite direction, they annihilate each other...and that releases magnetic energy which produces energetic particles,” Drake explained.The team behind the new study was able to pinpoint not just the origin of solar wind, but rather the driver that’s producing the energy on the Sun’s surface.
it doesn’t have enough energy to counter the star’s gravitational force. If it’s accelerated enough, however, through the process of magnetic reconnection, then that’s enough to drive the wind outwards such“Most of what we know about the Sun comes from different kinds of light,” Stuart Bale, a professor of physics at the University of California, and lead author of the new study, told Gizmodo in a phone interview. “But that only tells a part of the story.
300 times hotter. The Solar probe is equipped with a 4.5-inch-thick carbon-composite heat shield that can withstand temperatures up to 2,500 degrees Fahrenheit , according to
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