Explain procedure of remote sensing in satellites, Civil Engineering

Q. Explain procedure of remote sensing in Satellites?

Satellites used for remote sensing are of two types, viz, geostationary and polar orbiting. Geostationary stationary satellites are located at the equator at a very high altitude. Their speed and direction are so adjusted that a viewer on the earth sees them as stationary. Polar orbiting satellites rotate around the earth following a path from North to South Pole. Fig 3.1 shows the two types of satellite orbits with reference to the earth. The path and speed of polar satellites are so adjusted that they travel along the same path and at the same time at pre-determined regular interval.

1120_Two types of orbits followed by Indian satellites.png

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