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Index/Topics/Van Allen radiation belts

Van Allen radiation belts

The topic is about the Van Allen radiation belts and their effects on space missions.

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3 results
Jan 15, 2026
Most Viewed

How much radiation did Apollo astronauts receive during belt transit and how was it measured?

Apollo astronauts who traversed the Van Allen radiation belts received a small, non‑lethal dose: dosimeter and post‑flight badge analysis indicate exposures on the order of a few to a few tens of rads...

Jan 15, 2026
Most Viewed

How strong is the radiation in the Van Allen belts compared to low Earth orbit and deep space?

The Van Allen radiation belts are regions of trapped energetic charged particles whose local intensities can be orders of magnitude higher than the typical background encountered in low Earth orbit (L...

Jan 29, 2026

Have recent missions or studies changed our understanding of the Van Allen belts' danger to lunar travel?

Recent unmanned missions and studies have sharpened the picture of the belts as a dynamic, sometimes intense radiation environment that poses a real but manageable hazard to ; they have not suddenly m...

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