Telescopes
Telescope is an instrument which is used to watch for far distance things. It is designed to aid the observation of remote objects by collecting some form of electromagnetic radiation. According to the the first known telescopes were invented in Netherlands at the beginning of the 17th century in practically. Electromagnetic radiation detects most of the Telescopes.There are two types of telescopes such as ground telescopes and space or flying telescopes.In telescopes exist three major components such as Optical tube, Mount and Tripod. Each activities and process of telescope's components are crucial part.