Space telescope to maintain. The Hubble Space Telescope was serviced by the Space Shuttle while many other space telescopes cannot be serviced at all. Space observatories can generally be divided into two classes: missions which map the entire sky (surveys), and observatories which focus on selected astronomical objects or parts of the sky. Satellites have been launched and operated by NASA, ISRO, ESA, Japanese Space Agency and the Soviet space program later succeeded by Roskosmos of Russia. As of 2018, many space observatories have already completed their missions, while others continue operating on extended time. However, the availability of space telescopes and
Space Shuttle Project Project" a score of 2.5 points out of a possible 5. Space Shuttle Project Space Shuttle Project is an action video game released in 1991 by Absolute Entertainment for the Nintendo Entertainment System. It was one of the few vehicle simulators not to be released for the personal computer. The object of "Space Shuttle Project" is to successfully launch and fly one of NASA's historic Space Shuttles as a shuttle commander. Gameplay is composed of several different types of missions, each broken up into short mini-games. Players are first required to activate oxygen and hydrogen pumps in addition to getting