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Space Weather. Alice Hirsh International Studies and Economics College of Arts and Sciences. The Sun. Sun’s Magnetic Field. Sun Spots. Cooler areas of the surface Magnetic fields from within the sun emanate from them. Solar Prominences. Loops of Plasma
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Space Weather Alice Hirsh International Studies and Economics College of Arts and Sciences
Sun Spots Cooler areas of the surface Magnetic fields from within the sun emanate from them
Solar Prominences Loops of Plasma Follows Sun’s magnetic field lines Eventually snaps, spewing plasma into space Sometimes, towards Earth
Coming Towards Earth Solar Wind and Storms
Earth’s Protection: Magnetosphere Magnetic Lines emanate from North and South magnetic poles (different from geographic poles on most maps) Stretches beyond the atmosphere Charged Particles From Sun Collide with Magnetosphere
Problems Astronauts Satellites GPS Radio Wave Black Outs (solar flares) Electric Grid Airplane Navigation Underwater Cables
Yesterday’s Space Weather • NOAA Warning • CME’s Sept 9, 10. From same sunspot • Expected impact Sept. 13
Links to Sources • http://www.nasa.gov/mission_pages/sunearth/spaceweather/index.html#q14 • http://www.nasa.gov/mission_pages/rbsp/science/rbsp-spaceweather.html#.VBmswkikU3K • http://www.swpc.noaa.gov/NOAAscales/ • http://www.nasa.gov/mission_pages/rbsp/science/rbsp-spaceweather-human.html#.VBjPE0ikU3J • https://www.youtube.com/watch?v=7Mz2laHjVoQ • http://www.swpc.noaa.gov/alerts/archive/current_month.html • http://www.cbc.ca/news/technology/northern-lights-auroras-expected-after-2-huge-solar-flares-erupt-1.2763354