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Show Notes
Life on Earth depends on the planet’s natural shielding, otherwise solar and cosmic radiation would ravage our small blue world. In this episode of Stuff to Blow Your Mind, sponsored by the National Geographic Channel’s series 'One Strange Rock,' Robert Lamb and Joe McCormick discuss the wonders of the magnetosphere and discuss the risk of radiation with one of the few humans to ever venture beyond the shield: astronaut Dr. Jeff Hoffman.
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