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Our sun
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Follows magnetic force of sunspots

Can last for weeks to a year

harmless

Slide 20

Solar flares

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

Coronal Mass Ejections

Produced in corona

Large storms

Can cause power outages, satellite damage and auroras

Slide 22

Solar wind

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

Our sun

Slide 24

AURORAS (Northern lights) caused when Suns’ ions enter Earth’s atm.

AURORAS (Northern lights) caused when Suns’ ions enter Earth’s atm.

Slide 25

Our sun

Slide 26

Our sun

Slide 27

Our sun

Slide 28

Our sun

Slide 29

Auroras from space

Auroras from space

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