See John Pike 's Prime Pixel Picks of great spy sat shots. In the coming years the OrbView 3 and OrbView 4 satellites will provide 1-meter resolution images of the entire earth. An earlier satellite, Earlybird was launched in 1997 but unfortunately failed in orbit before becoming operational. In the meantime, airborne sensor data will be offered. This collaboration of an Israeli company and others will market images from its constellation of imaging sats.
Some images are available for free for private use.
Landsat Information LandformsExamples such as Cities , Dams , Volcanoes , and Tropical Forests . The Russian Almaz satellites, first launched in the early 1970s, make radar images of the earth. While of lower resolution, radar imagery has several advantages over optical satellites such as the ability to penetrate clouds. Archive of Almaz-1 Images Earthsat Gallery Earthsat is a company that does not have its own satellites but instead does processing of imagery from a variety of satellite sources. Search by region , keyword.