15.1.15




we are all made of stars.
all the chemical elements had been created by nuclear fusions that take places in the stars. at the very beginning there had been only hydrogen and helium. thanks to the nuclear fusions the number of them was growing. when the fusion stops, core of a star undergoes collaps and creates a supernova explosion. all the elements spread in the universe. carbon spreads in the universe. carbon is a chemical basis of life. so we are all made of stars.