NASA’s Parker Solar Probe made a significant discovery that can help predict powerful blasts of plasma in fast solar winds. The probe, which flew close to the sun’s surface, detected magnetic fields in narrow plasma streams that traced back to two relatively cool regions of the sun’s atmosphere, called coronal holes. Researchers reported in “Nature” that these plasma streams were associated with newly reconnected field lines with sharply kinked switchbacks that accelerated the solar wind close to the sun. The fast solar winds have two speeds, slow and fast, and the origin of fast solar winds has been unclear. These findings suggest that the solar wind can be accelerated to high speeds very close to the sun, which is different from the standard scenario of wind energization. This discovery is crucial because it can help predict space weather events like solar flares and space radiation that can disrupt Earth’s electrical grid and radio communications and threaten astronauts. Further, Parker’s closer encounters with the sun could confirm the source of the fast solar wind more definitively in the future.
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Jessica Irvine is a tech enthusiast specializing in gadgets. From smart home devices to cutting-edge electronics, Jessica explores the world of consumer tech, offering readers comprehensive reviews, hands-on experiences, and expert insights into the coolest and most innovative gadgets on the market.
