View Full Version : What are the Risks of Radiation for Humans in Space?

2005-Sep-12, 10:53 PM
SUMMARY: Human travelers to Mars face many challenges. One of the biggest unknowns is exactly what effect radiation from the Sun and cosmic rays will have on the human body for the 1,000 days a journey to Mars might take. If the risk turns out to be high, there are methods that could cut down the amount of radiation humans might receive on the journey. One method could be to build parts of the spacecraft out of plastic, which absorbs radiation 20% better than aluminum; liquid hydrogen, which would be needed for fuel absorbs cosmic rays 2.5 times better.

View full article (http://www.universetoday.com/am/publish/risks_radiation_humans_space.html)
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