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6 votes

What would it take to survive the radiation on the surface of Ganymede?

A Couple Feet of Concrete Starting with 5 Rem per day surface radiation quoted on Wikipedia / Carl Witthoft's answer, you can calculated that shielding required for prolonged exposure would be several ...
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How much solar radiation hits a spacecraft in transit to Mars?

The radiation situation in interplanetary space and on the surface of Mars is significantly different from the situation in near-Earth orbits. It is more dangerous and under certain conditions (with ...
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3 votes

How much solar radiation hits a spacecraft in transit to Mars?

It depends when the journey is made and many other things. High energy solar protons are more of a problem during the solar maxima of the 11 year solar cycle and less so during the solar minima. The ...
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