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 Inspiration voted to place "Inspiration" into storage until an executive director was hired to oversee the project. On March 4 and 5, 2014, the replica was disassembled and moved to the city's maintenance yard. Space Shuttle Inspiration Space Shuttle "Inspiration" is a full-scale Space Shuttle mockup built in 1972 by North American Rockwell. The plastic and wood model was made to promote the company's bid to construct the Space Shuttle fleet. The Space Shuttle Orbiter mockup was constructed by North American Rockwell in 1972. It was shown to NASA and Congress to win approval for the space shuttle program. The mockup