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Hubble Servicing Mission 4 Blog

Third spacewalk today

16 May 2009, 12:47 UTC
Third spacewalk today
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Astronauts are preparing for the third spacewalk of SM4, set to begin at 9:16 a.m. ET (15:16 CEST) today. Today’s activities will include removal of the Corrective Optics Space Telescope Axial Replacement, the installation of the new Cosmic Origins Spectrograph and the repair of the Advanced Camera for Surveys.
Below is one of my favourite pictures, so far, from SM4.
Low-level winds rushing over the Cape Verde Islands off the coast of northwestern Africa created cloud vortex streets which share this scene with the top of the Hubble Space Telescope locked down in the cargo bay of the Earth-orbiting Space Shuttle Atlantis. Photo Credit: NASA

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