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Prototype unit for an array of cosmic x-ray detectors that flew in the spinning wheel section of the OSO-IV satellite launched in 1967. It was designed to map out non-solar radiation sources as it swept across the sky. The instrument included two photoelectric X-ray detectors based on sodium iodide scintillation crystals as well as one electron and one cosmic-ray detector The experiment was designed and built at American Science and Engineering (AS&E) under the direction of Riccardo Giacconi. This experiment was donated to NASM by AS&E in 2003.

 Display Status

This object is on display in Boeing Aviation Hangar at the Steven F. Udvar-Hazy Center in Chantilly, VA.

Boeing Aviation Hangar
Object Details
Country of Origin United States of America Type INSTRUMENTS-Scientific Manufacturer American Science & Engineering, Incorporated
 Dimensions 3-D: 33 x 35.6 x 20.3cm (13 x 14 x 8 in.)
 Materials Mixed metals, electronics
Glass
Electronics
 Inventory Number A20030004000 Credit Line Gift of American Science & Engineering Incorporated. Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
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