Download the free Real Player here. Geologists - Earthquakes and volcanos change the face of the Earth constantly.
Scientists use radar images to further their understanding of the planet's volatile surface.
Urban planners - Detailed images from space help city planners understand how urban areas grow. Environmental engineers - Images of smoke from large fires, photos that indicate changes in ocean water temperature and images of rainforest depletion provide data used to research the environmental effects of human activities. Meteorologists - Global and local weather changes are monitored constantly by a constellation of satellites that transmit detailed images to weather researchers on the ground.