Earth Space

5 things about radiation donuts, in 2 minutes

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February 15, 2019

Earth is surrounded by giant, donut-shaped clouds of radiation called the Van Allen Belts. The wild particles trapped here can affect our technology and astronauts that pass through this region.

Take two minutes to learn about them from this new NASA video.

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Posted

February 15, 2019

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Earth

Eleanor Imster

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About the Author:

Eleanor Imster has helped write and edit EarthSky since 1995. She was an integral part of the award-winning EarthSky radio series almost since it began until it ended in 2013. She and her husband live in Tennessee, where they enjoy guitar playing and singing. They have 2 grown sons.