
During the next servicing mission, Servicing Mission 4 (SM4), astronauts will make the final trip to the Hubble Telescope. Over the course of five spacewalks, they will install two new instruments, repair two inactive ones, and perform the component replacements that will keep the telescope functioning at least into 2014. The effort-intensive, rigorously researched, exhaustively tested mission also involves diverse groups of people on the ground throughout the country. www.nasa.gov Hubble Space Telescope Servicing Mission 4 Download pdf Servicing Mission 4 (SM4) is the final Shuttle mission for the Hubble Space Telescope. Astronauts will bring new instruments to Hubble along with gyros, batteries and other components crucial for the telescopes continued success through the year 2013. Mission Manifest With more than 17 years of historic and trailblazing science already accomplished, Hubble will be reborn with SM4. The mission will feature the installation of two new cutting-edge science instruments to enhance Hubbles capabilities by large factors, the refurbishment of Hubbles subsystems and extension of operating life to at least 2013. Astronauts will also attempt the first ever on-orbit repair of two existing instruments the Space Telescope Imaging Spectrograph and the Advanced Cameras for Surveys. SM4 was originally planned for 2004, but was postponed after the Columbia Space Shuttle tragedy in 2003 and then canceled in light of Agency safety concerns. Following the <b>...</b>
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