LYCOS RETRIEVER 
Satellites: Images
built 280 days ago
Polar satellites have the advantage of photographing clouds directly beneath them. Geostationary satellite images of the polar regions are distorted because of the low angle the satellite sees the region. Polar satellites ... circle at a much lower altitude (about 530 mi., 850 km) providing more detailed information about violent storms and cloud systems.
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The satellites provide imagery that is used in agriculture, geology, forestry, regional planning, education, mapping, and global change research. The LDCM will ensure that 30 years of image records from previous Landsat satellites will be preserved into the next decade.
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The following image shows a montage of 15 of Saturn's satellites (the current known number is 19). These range in size from Titan, the second largest moon in the Solar System (Ganymede is the largest), to small asteroid-like objects.
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