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Solar Flares HOW DO THEY AFFECT US?
8

Best of Ruse

Feb 23, 2016

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Page 1: Best of Ruse

Solar FlaresHOW DO THEY AFFECT US?

Page 2: Best of Ruse

What is a solar flare?

A magnetic storm on the sun

A large energy release A glow , then… A huge ejection into

space Electrons, atoms, and

ions X-rays

Page 3: Best of Ruse

More about flares

Happen around sunspots Sunspots: Dark, cool spots on the sun Particle cloud reach earth in 2 days Occur in cycles

Page 4: Best of Ruse

How do flares affect earth?

Disrupt radio signals Disturb radar stations Can affect

“cyberspace” Radiation storm can

endanger astronauts Northern lights visible

in more places

Page 5: Best of Ruse

Ejection phase can disrupt

GPS systemsAirline flightsSatellite communicationsCell phonesFuel pumpsComputerized cars controls

Page 6: Best of Ruse

Satellite communications

Financial transactions Electrical grid power

surges Blow out

transformers Equipment is hard to

replace Safety of ships at sea

Page 7: Best of Ruse

The 1859 solar flare

Called the “Carrington Event”

Telegraphs stopped working

Northern lights visible in Italy, Cuba, and Hawai‘i

Page 8: Best of Ruse

Can we watch them from earth?

Not visible with home telescopes

Or even with these telescopes

Only high-powered professional telescopes