-> That is why I wrote "is believed to". However, from the
standpoint of current
-> scientific theories, it makes sense - otherwise we should be getting a lot of
-> gamma radiation from the sun.

 Have you Forgotten the Rule for Radiation. TDS
Time - Distance - Shielding
We have a great of distance as far as Gamma Rays and other
Electromagnetic radiation from the Sun goes. And also the Shielding
effect of the Earths Atmosphere. 
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