Question

Why do communication satellites need to be in geostationary orbits?

Answer 1

Answer:

This is because it revolves around the Earth at Earth's own angular velocity (one revolution per sidereal day, in an equatorial orbit). A geostationary orbit is useful for communications because ground antennas can be aimed at the satellite without their having to track the satellite's motion.

Answer 2

Answer:

This is because it revolves around the Earth at Earth's own angular velocity (one revolution per sidereal day, in an equatorial orbit). A geostationary orbit is useful for communications because ground antennas can be aimed at the satellite without their having to track the satellite's motion

Explanation:

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