The virtual reality VR has become a tool to simulate events and situations that would be inaccessible for people such as travel in space and visit different planets, it is for this reason that the VR has become a new alternative for the teaching of courses such as astronomy. In this research a low cost VR environment has been created for the teaching of astronomy where metaphors are used to teach complex concepts, working with professors and experts in the area of virtual reality to create an intuitive environment for new users to VR technologies, tests were conducted with two educational institutions of 150 students where a comparison of four virtual reality environments was made.