Stars are giant balls of hot gas composed mainly of hydrogen and helium. And why are they hot and bright? Thanks to nuclear fusion, temperature, pressure and mass are all in a delicate balance up to a certain point. 99% of the mass of our solar system is the Sun. It is not for nothing that our Star has been compared to God since ancient times. And when the first ray of the Sun touches your face in the morning – remember space, #Astrohata and red dry of course)
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