1. Space Weather Alice Hirsh International Studies and Economics College of Arts and Sciences

3. The Sun

4. Sun’s Magnetic Field

5. Sun Spots Cooler areas of the surface Magnetic fields from within the sun emanate from them

6. Solar Prominences Loops of Plasma Follows Sun’s magnetic field lines Eventually snaps, spewing plasma into space Sometimes, towards Earth

7. Corona

8. Coronal Hole

9. Coronal Mass Ejections

11. Coming Towards Earth Solar Wind and Storms

13. 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

14. Causes…

15. Auroras!

17. Collision

18. Problems Astronauts Satellites GPS Radio Wave Black Outs (solar flares) Electric Grid Airplane Navigation Underwater Cables

19. Yesterday’s Space Weather NOAA Warning – CME’s Sept 9, 10. From same sunspot – Expected impact Sept. 13

20. Links to Sources http://www.nasa.gov/mission_pages/sunearth/spaceweath er/index.html#q14 http://www.nasa.gov/mission_pages/sunearth/spaceweath er/index.html#q14 http://www.nasa.gov/mission_pages/rbsp/science/rbsp- spaceweather.html#.VBmswkikU3K 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 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.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 http://www.cbc.ca/news/technology/northern-lights- auroras-expected-after-2-huge-solar-flares-erupt- 1.2763354

21. Thanks!