Hubble: The Ultimate Telescope (2009)
This superb documentary has been quite a hit with the critics. A fascinating look at one of the most advanced space telescopes, it meets the scientists and engineers who put the telescope into space, the astronauts who fixed its faulty eyesight and the astronomers who use Hubble to unlock the secrets of the universe. Positioned outside of the Earth's atmosphere, the Hubble Space Telescope has stared out over billions of light years, to the far-reaching corners of the universe. It is regarded as one of the most important scientific instruments ever built, deepening our understanding of the cosmos.