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.
NASA Space Telescopes Pinpoint Elusive Brown Dwarf. In a first-of-its-kind collaboration, NASA's Spitzer and Swift space telescopes joined forces to observe a microlensing event, when a distant star brightens due to the gravitational field of at least one foreground cosmic object.