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Infrared Detector

NSSDCA ID: 1966-017A-04

Mission Name: Cosmos 111


The infrared detector apparatus comprised two radiation receivers, flat plates, 15 x 30 mm in size, of material whose resistivity varies strongly with temperature. One receiver was covered with enamel which absorbed 85 - 90 percent of the incoming infrared radiation and reflected 70 -75 percent of the visible light. The other receiver was covered with gold foil which reflects 97 - 99 percent of infrared radiation and efficiently absorbs visible radiation. The resistance of both plates is measured, and the resulting difference gives a measurement of the infrared flux. The system was mounted on thermally insulated foundation on the outer wall of the spacecraft.

Alternate Names

  • Cosmos111/InfraredDetector

Funding Agency

  • Unknown (U.S.S.R)


  • Planetary Science: Geology and Geophysics

Additional Information

Questions and comments about this experiment can be directed to: Dr. David R. Williams



NameRoleOriginal AffiliationE-mail
Mr. A. I. LebedinskiyGeneral ContactMoscow State University
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