Oh, mighty celestial guru, where did those stars come from. How many star are there in the universe? 200 billion trillion stars Now the next step. Using the Milky Way as our model, we can multiply the number of stars in a typical galaxy (100 billion) by the number of galaxies in the universe (2 trillion). The answer is an absolutely astounding number. There are approximately 200 billion trillion stars in the universe.Sep 28, 2021