This document provides information on various astronomical tools. It describes different types of telescopes such as refracting telescopes which use lenses and reflecting telescopes which use mirrors. It discusses radio telescopes, space telescopes, and notable space telescopes such as Hubble, Chandra, and Fermi. Space probes, rockets, spaceshuts, rovers, and observatories are also summarized. Important early space missions involving animals and astronauts are mentioned.