A view of the NICER X-ray Timing Instrument without its protective blanketing shows a collection of 56 close-packed sunshades—the white and black cylinders in the foreground—that protect the X-ray optics (not visible here), as well as some of the 56 X-ray detector enclosures, on the gold-colored plate, onto which X-rays from the sky are focused.
NASA/Keith Gendreau
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