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Satellites increased the speed of global communications.
Satellites are man made objects, they can not "evolve".
One type of artificial satellite is called a navigation satellite. Two other kinds of artificial satellites are called weather satellites and communications satellites.
Weather tracking and communications over the poles!
GPS is one thing satellites are used for.Weather predictionGlobal MappingSatellite communications for radio, television and digital phones
Most communications satellites operate outside of the earth's atmosphere. The GPS satellites are about 23,000 miles from the surface of the earth.
All the satellites, communications, exploratory, military etc. are artificial satellites of Earth.
Satellites increased the speed of global communications.
Objects that are in orbit around planets are commonly called satellites
Satellites are man made objects, they can not "evolve".
satellites
thermosphere
Artificial satellites are man-made objects that have been launched into space to orbit a planet, usually the Earth. Their roles depend on what they've been built for. The GPS satellites provide positioning information so that GPS receivers on Earth can know where they are. Weather satellites tracks clouds and storms. Communications satellites transmit TV, radio, phone calls and data, and so on.
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Reconnaissance, communications, topography.
They improve communications.
satellites