Ep. 515: Space Radiation

Posted on Jan 25, 2019 in Forces, High Energy Physics, Missions, Physics, podcast | 0 comments


Space is a hostile environment in so many ways. But one of its worst features is the various kinds of radiation you can find. When astronauts go back beyond the protective environment of the Earth’s magnetosphere, what are the various kinds of radiation they’ll encounter. And is there anything we’ll be able to do about it?

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Show Notes

Radiation – what is it?

Three kinds of ionizing radiationAlpha particles, Beta particles, and Gamma particles (and X rays)

Cosmic Rays  come from stars, supernovae and active galactic nuclei – and can’t be avoided in space travel

Earth is protected by our magnetic field (Van Allen Belts) generated by our active volcanic core

What does traveling through the Van Allen Belts mean for spaceflight?

Coronal mass ejections and solar winds

Ideas for Radiation Shielding

Transcript

transcript
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