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E-Mail IMAGE: University of Iowa physicists have gained new insights about the sun s electric field. The researchers measured electrons streaming from the sun, a main constituent of the solar wind, to determine. view more Credit: Jasper Halekas lab, University of Iowa As the Parker Solar Probe ventures closer to the sun, we are learning new things about our home star. In a new study, physicists led by the University of Iowa report the first definitive measurements of the sun s electric field, and how the electric field interacts with the solar wind, the fast-flowing current of charged particles that can affect activities on Earth, from satellites to telecommunications. ....
What is the solar wind? The surface of the sun is blisteringly hot at 6,000 degrees Fahrenheit but its atmosphere, called the corona, is more than a thousand times hotter. It is also incredibly active; those flares and loops are the halo you see around the sun when there’s an eclipse. Animation courtesy of NASA The corona is so hot that the sun’s gravity can’t hold it, so particles are flung off into space and travel throughout the solar system in every direction. As the sun spins, burns and burps, it creates complex swirls and eddies of particles. These particles, mostly protons and electrons, are traveling about a million miles per hour as they pass Earth. ....
Waikato/Bay of Plenty Junior Young Farmer of the Year and AgriKids winners announced 2 Mar, 2021 07:45 PM 3 minutes to read The Country A duo from Cambridge High School have taken out the title for Waikato Bay of Plenty FMG Junior Young Farmer of the Year 2021. Anna Ede and Ben Ede topped the points table for the regional competition. The contest for high school students in Teen Ag Clubs was held at the Tauranga Racecourse on Saturday, running alongside the Waikato Bay of Plenty FMG Young Farmer of the Year regional final. Timothy Lumsden from Hamilton Boy s and Tayla Hansen from St. Paul s Collegiate came in second place. ....