The general objective of this article is to know about Satellites Technology. Satellites are principally used in communications. They circle around the world, receiving and relaying signals from dissimilar position points. Without them, the earth might not be enjoying simplicity in communicating. Satellites are very important our human life. Satellites are also used in identifying weather circumstances in dissimilar parts of the world. They gather and send information concerning cloud formations and cloud activities. Weather satellites have been used for numerous decades. Without them, people might still be relying on primitive methods in identifying weather circumstances.