Journal There are generally two types of images that you will see in the news, the non-white-balanced and the white-balanced images.eg non white balanced:http://mars.jpl.nasa.gov/msl/multimedia/images/?ImageID=4431white balanced:http://mars.jpl.nasa.gov/msl/multimedia/images/?ImageID=4429The white balance information comes from taking pictures of a color calibration pattern on the rover.