Hubble Space Telescope data, while the Goddard Space Flight Center controls the spacecraft. Space telescopes were proposed as early as 1923. Hubble was funded in the 1970s, with a proposed launch in 1983, but the project was beset by technical delays, budget problems, and the "Challenger" disaster (1986). When finally launched in 1990, Hubble's main mirror was found to have spherical aberration, compromising the telescope's capabilities. The optics were corrected to their intended quality by a servicing mission in 1993. Hubble is the only telescope designed to be serviced in space by astronauts. After launch by in 1990, five subsequent Space Shuttle missions
Space Shuttle Columbia disaster to the crew. A Department of Defense school in Guam was renamed Commander William C. McCool Elementary School. The City of Palmdale, California, the birthplace of the entire shuttle fleet, changed the name of the thoroughfare Avenue M to Columbia Way. In Avondale, Arizona, the Avondale Elementary School where Michael Anderson's sister worked had sent a T-shirt with him into space. It was supposed to have an assembly when he returned from space. The school was later renamed Michael Anderson Elementary. The first dedicated meteorological satellite launched by the Indian Space Research Organisation (ISRO) on 2 September 2002, named Metsat-1,