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Radiation Levels in Space
A radiation detector was sent to high altitudes to measure how radiation levels change with altitude. The sensor was a Geiger-Mueller tube that detects alpha, beta and gamma radiation.
On the ground, the average number of radioactive particles detected during a 10 second sample was 2.5. (15 per minute). The amount of particles detected increased with altitude. The maximum radiation detected was 162 counts in 10 seconds (972 per minute). This is about 65 times the radiation levels on the ground.
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