DIRBE, Galactic Plane Emission: Bands 1-5

Numéro d’image : 12632182
DIRBE, Galactic Plane Emission: Bands 1-5
Diffuse Infrared Background Experiment (DIRBE) mapped the absolute sky brightness in 10 wavelength bands ranging from 1.25 microns to 240 microns. The data contains the signal from the cosmic infrared background and the foreground emissions from extragalactic sources, our Galaxy, and dust and other sources in our solar system. DIRBE was an experiment on NASA's COBE mission, to survey the diffuse infrared sky. Measurements were made with a reflecting telescope with 19 cm diameter aperture. The goal was to obtain brightness maps of the universe at ten frequency bands ranging from the near to far infrared (1.25 to 240 micrometre). The COBE mission was launched in November 1989. The spacecraft contained liquid helium that cooled the DIRBE instrument to below 2K to allow it to image in the infrared wavelengths. Primary observation started December 11, 1989 and ran until September 21, 1990, when the liquid helium ran out.
Licence : Droits gérés
Crédit: Science Photo Library / Science Source / LBNL
Taille de l’image : 4200 px × 3084 px
Model Release : Non requis
Property Release : Non requis
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