Document Type : Research Paper

Abstract

 In the course of the centuries and millennia of history, human has always sought to discover the mysteries of nature and unknown regions through scientific travels to different parts of the world, and today the scope of such scientific research has become so developed that human beings, through space travels, seek to discover the secrets of the universe and conquer the space, and, it is to say that on the way to this end, the thoughtful man has acted bravely and avoided no effort.