 The COBE Far Infrared Absolute Spectrophotometer by NASA LAMBDA (source code)

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= The COBE Far Infrared Absolute Spectrophotometer by NASA LAMBDA
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{tag=Work by National Aeronautics and Space Administration}

Instrument overview of <FIRAS>, describing its differential <Michelson interferometer>, internal reference and external calibrated <blackbody>. It reports the absolute <cosmic microwave background temperature> inferred from the spectral comparison.

https://lambda.gsfc.nasa.gov/product/cobe/about_firas.html

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