During the 11 day repair mission to the HST, astronauts will perform five spacewalks, installing two new instruments and repairing two others. The two new instruments are the US$126 million Wide Field Camera 3 and the $81 million Cosmic Origins Spectrograph. The crew has set out to repair the Space Telescope Imaging Spectrograph , Advanced Camera for Surveys which are malfunctioning . The mission will also see the installation of a new Science Instrument Command and Data Handling Unit to replace the existing one.
During the 11 day repair mission to the HST, astronauts will perform five spacewalks, installing two new instruments and repairing two others. The two new instruments are the US$126 million Wide Field Camera 3 and the $81 million Cosmic Origins Spectrograph. The instruments to be repaired are the Space Telescope Imaging Spectrograph and the Advanced Camera for Surveys , which failed on August 3, 2004 and January 27, 2007, respectively . The mission will also see the installation of a new Science Instrument Command and Data Handling Unit to replace the existing one.
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, which failed on August 3, 2004 and January 27, 2007, respectively