NASA / SCIENCE PHOTO LIBRARY NASA / SCIENCE PHOTO LIBRARY
NuSTAR space telescope construction. Spacecraft technician performing closeout work inside the fairing that will be installed around NASA's Nuclear Spectroscopic Telescope Array (NuSTAR). NuSTAR is NASA's 11th small-explorer mission (SMEX-11) and is a space-based X-ray telescope that will use a Wolter telescope to focus high energy X-rays from astrophysical sources, especially for nuclear (gamma-ray) spectroscopy. It was built by Orbital Sciences Corporation and launched on 13th June 2012. Photographed at Vandenberg Air Force Base's processing facility, California, USA, on 2nd March 2012.
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