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.
CXO may refer to: 1  Chandra X-ray Observatory, a satellite launched by NASA in 1999. 2  Chief Experience Officer, corporate officer responsible for the overall user experience of an organization. 3  CxO (Chief x Officer), also called C-suite, a generic term for any Corporate officer.