Consider this when you are brushing your teeth this evening -that fluorine came from a dead star. Fluorine can only be formed in the conditions available inside stars much like our Sun. Then, in the moments before they die, these stars shed their outer layers, including the Fluorine. That is spat into the space between stars, the interstellar, where new stars are formed. So when our Sun and planets were formed from a mass of gas and dust, all the Fluorine present, must have came from one of our Sun’s ancestors.
Makes you think twice before you go to bed.
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