how many stars are in the known universe
Our particular galaxy is known as the Milky Way. Scientists estimate that there are 200 billion to 400 billion â yes, that's billion with a âb â stars in the Milky Way galaxy. The Sun is just one of those 200 billion to 400 billion stars. If that blows your mind, just wait! Our Milky Way galaxy is just one of the many galaxies in our universe.