Interstellar space, high radiation? Where does that radiation come from If you’re between stars that are billions of miles apart? Must be that since there’s nothing there to stop it or slow it down it keeps going and going and going...
Thinking about distances like that gives me a slight headache.
Interstellar space, high radiation? Where does that radiation come from if you’re between stars that are billions of miles apart?
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There is a long list: stuff like novas, supernovas, gamma ray busters, Quasars, pulsars, etc. All that from over >52 trillion known galaxies each with hundreds of millions of stars, including our own galaxy.