Hubble Space Telescope scientific merit, did not duplicate proposals made by professionals, and required the unique capabilities of the space telescope. Thirteen amateur astronomers were awarded time on the telescope, with observations being carried out between 1990 and 1997. One such study was "Transition Comets—UV Search for OH". The very first proposal, "A Hubble Space Telescope Study of Posteclipse Brightening and Albedo Changes on Io", was published in "Icarus", a journal devoted to solar system studies. A second study from another group of amateurs was also published in "Icarus". After that time, however, budget reductions at STScI made the support of work by
Space Shuttle Project 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 additional crew members into the shuttle within a strict time limit.