http://www.stampcollectioninfo.com/manned-flight/
How did they solve the problem of Radiation with manned space flight i.e. Van Allen Belt ?
they flew through quickly.
this is well known to all but moon hoax cranks.
gps satellites are seriously affected by this (look at their orbits), and are carefully shielded. also, spacecraft are very careful about using eproms or flash memory in their computers. radiation erases such memory, and there is lots of radiation in space.
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