Becoming a teacher its not hard, you have to enroll in a four year university, the first two years of college is general courses then the final two years are really fun, its more hands on.
At two hours into the mission, the payload doors opened and the astronauts prepared to deploy the Chandra X-ray Observatory. For six hours, while Columbia silently orbited Earth, all the systems on the Chandra spacecraft were checked out and the satellite reached equilibrium with the conditions in space.
The Chandra observatory was first proposed to NASA in 1976 and funding began in 1977 when NASA's Marshall Space Flight Center started the definition studies of the telescope. In 1992, there was a major restructuring of the observatory.