Neutron star Interior Composition ExploreR (NICER) is an approved NASA Explorer Mission of Opportunity dedicated to the study of the extraordinary gravitational and nuclear-physics environments embodied by neutron stars. NICER achieves these goals by deploying an X-ray timing and spectroscopy instrument as an attached payload aboard the International Space Station (ISS). Takashi Okajima installs optics. Neutron star Interior Composition Explorer (NICER) - 34718446606

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Keywords: astronomy, composition, copy, editorial, explorer, installs, interior, nasa, neutron, news, night, okajima, optics., photograph, photography, rocket, sky, space, star, stock, takashi