Simply gorgeous, beautiful, colorful live Wallpaper: “Astronaut Space Tourist in Spaceship. Planets. Stars.” at high quality and only for free.

An astronaut or cosmonaut is a person trained by a human spaceflight program to command, pilot, or serve as a crew member of a spacecraft. Although generally reserved for professional space travelers, the terms are sometimes applied to anyone who travels into space, including scientists, politicians, journalists and tourists.