In the spring of 2009, NASA sent a shuttle crew on a risky mission to service the Hubble Space Telescope for the last time. The astronaut servicing team must carry out the first ever in-space repairs of Hubble's defective instruments, a task that requires ingenious engineering fixes and the most intensive NASA spacewalk ever. NOVA presents the inside story of the mission and the extraordinary challenges faced by the rescue crew.
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Why the AV version? Because it provides additional usage options for PBS videos. AV versions come with limited performance rights so they can be shown in classrooms, at PTA meetings, during after school programs, and transmitted on a closed-circuit system within a building or on a single campus. They also can be enjoyed in admission-free public screenings, which also makes them ideal for use by library patrons and businesses involved in community clubs and organizations.