There are hundreds of satellites floating around out in space that we depend on every day for a number of things, from gps to internet for some, but they are even more important for the simple needs that we have. Satellites are used to help us understand the cosmos, from how black holes are formed to how the universe was born. They help us to look back in time, all the way to when the big bang happened, to educate us on the creation of life. Learn all there is to know about satellites, from launching them, to the various uses, costs, future plans, and more!