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Index/Topics/Space Radiation

Space Radiation

The risks associated with prolonged exposure to space radiation during deep-space missions, such as those to Mars.

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Jan 15, 2026
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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...

Feb 1, 2026

Can we transport people to mars

Yes — transporting people is technically plausible within the next few decades, but it remains a massively complex, high-risk undertaking that hinges on solving propulsion, life‑support, landing, radi...