What radiation can be detected at 1km high from Earth surface?

hohoho87
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what radiation can be detected at 1km high from Earth surface?
 
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Almost the same radiation that can be detected at the Earth's surface. The light at 1km would just have been slightly less obstructed by the atmosphere...but 1km isn't all that high up. Mount Everest is 8.8Km high.
 

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