(Nuclear Spectroscopic Telescope Array)
(satellite x-ray telescope)
NuSTAR (Nuclear Spectroscopic Telescope Array)
is a space-based X-ray telescope
launched by NASA in 2012 for a 2-year mission
to survey supermassive black holes.
NuSTAR offers two new capabilities: it focuses
the X-rays with a grating lens, for a much better
signal-to-noise ratio, and it covers high-energy
as well as low-energy X-rays.
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