NuSTAR X-Ray Observatory begins two-year Extended Mission

NASA’s NuSTAR spacecraft, the Nuclear Spectroscopic Telescope Array, has successfully completed its two-year primary science mission following its launch on June 13, 2012 and is now transitioning to an extended mission to continue its studies of X-Ray sources in the sky, also starting its Guest Observer program to give scientists around the world observation time on the spacecraft.

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