This artist's concept shows NASA's NuSTAR mission orbiting Earth. NuSTAR will hunt for hidden black holes and other exotic cosmic objects.

Artist's concept showing NASA's NuSTAR mission orbiting Earth. NuSTAR will hunt for hidden black holes and other exotic cosmic objects.

For more information, visit http://www.nasa.gov/nustar and http://www.nustar.caltech.edu/.

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