Answer :
There are around 100 billion stars in our solar system. The Milky Way Galaxy's center is where own solar system is located.
How do you define a galaxy?
A galaxies is a large array of stars, solar systems, gas, & dust. Gravity holds a galaxy together. A supermassive black hole also resides in the center of our galaxy, the Milky Way. You see additional galaxies inside the Milky Way as you try looking up at the night sky for stars.
The Earth is there a single galaxy?
There are billions of galaxies in the cosmos, & our Milky Way is just one of them. It has at least 1 trillion stars, with at least 1 planet typically orbiting each star.
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