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Neutron star Interior Composition Explorer (NICER)
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Neutron star Interior Composition Explorer (NICER)

NASA / GSFC · 2017-12-08 · photograph (digital archive)

From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.

About this work

Optics Lead Takashi Okajima prepares to align NICER’s X-ray optics. The payload’s 56 mirror assemblies concentrate X-rays onto silicon detectors to gather data that will probe the interior makeup of neutron stars, including those that appear to flash regularly, called pulsars.

NASA Image and Video Library’s own description
Credit lineNeutron star Interior Composition Explorer (NICER). NASA/GSFC, 2017-12-08. Public domain. ID: GSFC_20171208_Archive_e000039.

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