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Will A Plasma Cloud Be The End Of Civilization?

caption: A close-up of a filament on the sun's surface.
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A close-up of a filament on the sun's surface.
Flickr Photo/NASA Goddard Photo (CC-BY-NC-ND)

Ross Reynolds talks with astrophysics professor Adam Frank about what a plasma cloud is, the chances of one hitting Earth and what that means for our civilization. Spoiler: All the answers are scary.

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