Polar bear,thermogram

Numéro d’image : 11917644
Polar bear,thermogram
Polar bear. Thermogram of a polar bear (Ursus maritimus) with its mouth open. A thermogram shows variation in temperature on the surface of an object,measured by the long-wave infrared radiation it emits. The temperature scale is colour-coded and runs from white (-1.0 degree Celsius,coldest) through green,yellow and red to black (warmest,34.9 degrees Celsius). The polar bear is adapted to live in a cold environment. Heat loss from its ears is reduced because of their diminutive size. The bear also has a seasonal fat layer and thick fur that insulate it during the winter
Licence : Droits gérés
Crédit: Science Photo Library / T-Service
Taille de l’image : 690 px × 518 px
Model Release : Non requis
Property Release : Non requis
Restrictions :
  • KOR JPN USA AUS MEX

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