Our sun is a star and is one of several billion-trillion stars out there in the universe. The sun is neither the most brilliant nor the largest star. It is neither the oldest nor is it at the center of the universe. Thus, there is nothing special about our sun as compared to countless other stars. In fact, it has been estimated that there are more than a few billion trillion stars in the universe.
Our sun is a relatively young star and is in its main sequence (or main part of the life cycle). It uses nuclear fusion to convert hydrogen to helium and thus provides us with energy in the form of sunlight. Over time, when the hydrogen runs out, it will most likely become a red giant and ultimately end up as a white dwarf.
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