Upload
august-cole
View
215
Download
2
Tags:
Embed Size (px)
Citation preview
PowerPoint Presentation
Space WeatherAlice HirshInternational Studies and EconomicsCollege of Arts and Sciences
The Sun
Suns Magnetic Field
Sun Spots
Cooler areas of the surface
Magnetic fields from within the sun emanate from them
Solar Prominences
Loops of Plasma
Follows Suns magnetic field lines
Eventually snaps, spewing plasma into space
Sometimes, towards Earth6Corona
Coronal Hole
Coronal Mass Ejections
Coming Towards EarthSolar Wind and Storms
Earths Protection: MagnetosphereMagnetic 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
Causes
Auroras!
Collision
ProblemsAstronauts
Satellites
GPS
Radio Wave Black Outs (solar flares)
Electric Grid
Airplane Navigation
Underwater Cables
Yesterdays Space WeatherNOAA WarningCMEs Sept 9, 10. From same sunspotExpected impact Sept. 13
Links to Sourceshttp://www.nasa.gov/mission_pages/sunearth/spaceweather/index.html#q14http://www.nasa.gov/mission_pages/rbsp/science/rbsp-spaceweather.html#.VBmswkikU3Khttp://www.swpc.noaa.gov/NOAAscales/http://www.nasa.gov/mission_pages/rbsp/science/rbsp-spaceweather-human.html#.VBjPE0ikU3Jhttps://www.youtube.com/watch?v=7Mz2laHjVoQhttp://www.swpc.noaa.gov/alerts/archive/current_month.htmlhttp://www.cbc.ca/news/technology/northern-lights-auroras-expected-after-2-huge-solar-flares-erupt-1.2763354
Thanks!