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americium 241 gamma source

Indeed. Am-241 is commonly used as a calibration source for hard x-ray and gamma ray astronomy. In addition to its 60 keV gamma ray, it also emits Np L x-rays.
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12 votes

How would radiation pressure inside of the Sun affect an indestructible person?

Radiation force is totally negligible at the surface of the Sun - about one hundred thousandth the force due to gravity. The radiation force does grow as you move into the solar interior, but only as ...
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