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There's a lot of gamma ray radiation being produced in the sun's core from fusion reactions, so why are we not bombarded by gamma ray radiation? Those gamma ray photons need to escape from the sun's core, into the outer edge, and then finally from the surface. These photons are colliding with matter constantly, resulting in a photon diffusion process. It actually takes the average gamma ray photon about 170,000 years to diffuse out of the radiative zone. Once a gamma ray actually diffuses outward to the surface as a result of the constant collisions it has been converted into millions of visible wavelength photons.
Gamma ray photons produced by fission make their arduous journey to the surface of the Sun, they are continuously absorbed by the solar plasma and re-emitted to lower frequencies. By the time they get to the surface, their frequencies are mostly only within the IR/visible light/UV spectrum.
The Earth's atmosphere stops most Gamma Rays. It is "as thick to gamma-rays as a twelve-foot thick plate of aluminum".
ORGANISMS CAPTURE RADIATION: BLACK FUNGUS
Melanin pigments in black fungi harness energy for metabolism by scattering/trapping photons and electrons from ionizing radiation.
"Melanins are unique biopolymers that protect living organisms against UV and ionizing radiation and extreme temperatures…For example, the melanotic fungus C. [Cladosporium] cladosporioides manifests radiotropism by growing in the direction of radioactive particles and this organism has become widely distributed in the areas surrounding Chernobyl since the nuclear accident in 1986 . Both in the laboratory and in the field several other species of melanized fungi grew towards soil particles contaminated with different radionuclides, gradually engulfing and destroying those particles
two other species of fungus to extravagantly high levels of radiation in the laboratory. Radiation, they discovered, increases the growth of species that have melanin, the dark pigment that also occurs in human skin. Furthermore, when the investigators irradiated melanin in isolation, they noted dramatic changes in its electronic properties. Melanin seems to capture energy from radiation and convert it to chemical energy, much the way chlorophyll in plants captures the energy of sunlight.
Designs vary, but typically involve a gradient from high-Z (usually tantalum) through successively lower-Z elements such as tin,steel, and copper, usually ending withaluminium. Sometimes even lighter materials such as polypropylene or boron carbide are used. 
In a typical graded-Z shield, the high-Z layer effectively scatters protons and electrons. It also absorbs gamma rays, which produces X-ray fluorescence. Each subsequent layers absorbs the X-ray fluorescence of the previous material, eventually reducing the energy to a suitable level. Each decrease in energy produces bremsstrahlung and Auger electrons, which are below the detector's energy threshold. Some designs also include an outer layer of aluminium
originally posted by: DancedWithWolves Melanin seems to capture energy from radiation and convert it to chemical energy, much the way chlorophyll in plants captures the energy of sunlight.
Then you probably don't actually understand it.
as I understand it, the level you posted is quite high and is above ordinary background levels.
Disclaimer: Do not rely upon this information for life or health, it is only one person’s estimation based on a several hours research and punching calculator buttons.