NASA astronauts train vigorously at their neutral buoyancy lab in preparation for SM4, a massive final mission to revive the Hubble teleoscope. Since the Columbia space shuttle disaster in 2003, NASA has implemented multiple safety precautions in prepration of the SM4 mission to revive the Hubble telescope. Part of the mission will install the cosmic origins spectrograph, a tool to examine the structure of the universe. Costar, which corrected the images must be removed.
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Ready to Watch Hubble A Look into the Universe, Season 1, Episode 3?