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1 Survival in a Galactic Wilderness: invisible boundaries by Chris Martin and Pamela Whiffen
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Brainstorm – Draw what protects life on earth Give out survivor cards Atmosphere – Rocket balloon activity
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Atmospheric Density1 moles/ liter Ionosphereno * Magnetic field strength0.3 gauss Ozone Layeryes Solar wind velocity350 Km/s Planet Gamma Death from X- ray and gamma rays
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Atmospheric Density1 moles/ liter Ionosphereyes Magnetic field strength0.3 gauss Ozone Layerno * Solar wind velocity350 Km/s Planet Beta Death by UV
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Atmospheric Density0.002 moles/ liter * Ionosphereyes Magnetic field strength0.3 gauss Ozone Layeryes Solar wind velocity350 Km/s Planet Epsilon Death by high energy solar particles
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Mapping Magnetic Fields Activity
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The sun burps coronal mass ejections http://www.youtube.com/watch?v=HTPrwg P8oFYhttp://www.youtube.com/watch?v=HTPrwg P8oFY Check Space weather http://sohowww.nascom.nasa.gov/data/re altime-images.htmlhttp://sohowww.nascom.nasa.gov/data/re altime-images.html
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Without magnetic field Magnetic field reversal – compares earth with mars
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Atmospheric Density1 moles/ liter Ionosphereyes Magnetic field strength0.02 gauss * Ozone Layeryes Solar wind velocity350 Km/s Planet Delta Death by solar wind charged particles etc.
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Heliosphere video http://www.youtube.com/watch?v=rdNDIz1W 6f0
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Atmospheric Density1 moles/ liter Ionosphereyes Magnetic field strength0.3 gauss Ozone Layeryes Solar wind velocity20 Km/s * Planet Zeta Collapse of heliosphere, death by galactic cosmic rays
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Atmospheric Density1 moles/ liter Ionosphereyes Magnetic field strength0.3 gauss Ozone Layeryes Solar wind velocity350 Km/s Planet Alpha Death by gamma ray burst, super nova or impact with asteroid… or moose atomic war!
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Atmospheric Density1 moles/ liter Ionosphereyes Magnetic field strength0.3 gauss Ozone Layeryes Solar wind velocity300 Km/s Planet Earth
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NASA Missions protecting us AIMAIM, IBEX, THEMIS, SohoIBEXTHEMISSoho Evaluation Provide materials indow
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