This title is licensed for public performance by the MPLC umbrella license. One of the most complex instruments ever built, the Hubble space Telescope was expected to transform our understanding of the universe. But once it is in orbit NASA discovers a serious problem, a defective main mirror. NASA sends a team of astronauts to fix the problem in its greatest and highest profile mission since the Apollo era. It gives NASA the confidence to begin construction of the International Space Station. Small teacher's guide included.