Where do you live

We live in an environment of 400 billion stars. where do you live? In the description that scientists do, we live in a very, very large galaxy, about 100 thousand light years. And mathematical calculations printed pages full of the magnitude that burned these brains. you live on a small planet orbiting the yellow and dwarf star we give the name of the sun on the outside of this large layer. In fact, how small a world we live ...