Coronal mass ejections (CMEs) are bits of the sun thrown into space. When directed in the direction of earth they are a grave threat to civilization. How the sun's magnetic fields generate ... See full summary »

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Cast

Episode credited cast:
Erik Thompson ...
Himself - Narrator (voice)
Travis S. Taylor ...
Himself - Physicist
Todd Hoeksema ...
Himself - Stanford University
John Kappenman ...
Himself - Grid expert, Storm Analysis Consultants
Laura Danly ...
Herself - Griffith Observatory
Ben Weiss ...
Himself - Planetary scientist / MIT (as Benjamin Weiss)
Rest of cast listed alphabetically:
Alex Filippenko ...
Himself - Ask The Universe
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Storyline

Coronal mass ejections (CMEs) are bits of the sun thrown into space. When directed in the direction of earth they are a grave threat to civilization. How the sun's magnetic fields generate CMEs, the earth magnetic field protects us from CMSs and how our civilization's dependence on magnetic fields keeps us at risk from CMEs is explained. Written by David Foss

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12 August 2010 (USA)  »

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