Latest GOES-8 visible image . Latest GOES-9 visible image . All objects emit electromagnetic radiation. The infrared radiometers on satellites measure radiation with wavelengths of 11 microns. For easy interpretation, the radiant energy measured by infrared radiometers is converted to a temperature.
Cold objects are white and hot surfaces appear black.
Time sequences of infrared images are animated and shown on television news stations. Don't be fooled by infrared imagery. Latest GOES-8 IR image. Latest GOES-9 IR image. Combined Visible and Infrared Imagery.