A more detailed discussion of the comparative mission risk between a human servicing mission and a robotic mission to HST is presented in Chapter 7.
FINDING: Space shuttle crews, in conjunction with their ground-based mission control teams, have consistently developed innovative procedures and techniques to bring about desired mission success when encountering unplanned for or unexpected contingencies on-orbit.
FINDING: The risk in the mission phase of a shuttle HST servicing mission is low.
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6 Space Shuttle Servicing of Hubble ."
Assessment of Options for Extending the Life of the Hubble Space Telescope: Final Report . Washington, DC: The National Academies Press,
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As of 2013, the National Science Education Standards have been replaced by the Next Generation Science Standards (NGSS), available as a print book, free PDF download, and online with our OpenBook platform.
The NGSS offer a detailed description of the key scientific ideas and practices that all students should learn by the time they graduate from high school. The standards are based largely on the 2011 National Research Council report A Framework for K-12 Science Education: Practices, Crosscutting Concepts, and Core Ideas.