Follows magnetic force of sunspots
Can last for weeks to a year
harmless
Slide 20
Solar flares
Violent eruption
Last for minutes
Can damage satellites
Can reach Earth- ohoh!
http://www.youtube.com/watch?v=R4fX-iFDoDY
Slide 21
Coronal Mass Ejections
Produced in corona
Large storms
Can cause power outages, satellite damage and auroras
Slide 22
Solar wind
Ions are so hot, gravity can’t hold them onto the sun
400 km/sec (1 million mph)
Today: speed: 449.5 km/sec
Slide 23
Slide 24
AURORAS (Northern lights) caused when Suns’ ions enter Earth’s atm.
Slide 25
Slide 26
Slide 27
Slide 28
Slide 29
Auroras from space