Sensor, SIRS B Sounder, Nimbus

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Display Status:

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.

Collection Item Summary:

Nimbus was a research program conducted by NASA in the 1960s and 1970s to study the Earth's atmosphere and weather via satellites in polar orbit. This artifact SIRS-B (Satellite Infrared Spectrometer) was a key research instrument, called a sounder, used to measure temperature and water vapor at different levels in the atmosphere.

A SIRS-B sounder flew on Nimbus 4, launched in 1970. It provided daily measurements of temperature and moisture, which then were used to develop computer models of the dynamics of the Earth's atmosphere.

This artifact is a flight spare and was transferred to the Museum by the National Oceanic and Atmospheric Administration in 1987.

Collection Item Long Description:

Data Source

National Air and Space Museum

Restrictions & Rights

Do not reproduce without permission from the Smithsonian Institution, National Air and Space Museum

Credit Line

Transferred from NOAA

Materials

Aluminum, Gold Plating, Rubber (Silicone), Steel, Plastic, Acrylic (Plexiglas), Copper, Paint, Glass

Dimensions

Overall: 54.61 x 38.1cm (1ft 9 1/2in. x 1ft 3in.)

Country of Origin

United States of America

Type

SPACECRAFT-Unmanned-Instruments & Payloads

Inventory Number

A19870196000

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