A geostationary satellite orbits Earth at the equator, matching its rotation, appearing stationary, used for communication and weather monitoring.
Class 11 Physics
Gravitation
CBSE EXAM 2024-25
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A geostationary satellite is a satellite that has a fixed position in space relative to the Earth. It attains this characteristic because it orbits the Earth at a speed that is equal to that of the Earth. This means it makes one complete orbit around the Earth every 24 hours. The satellite maintains an identical position above a particular point on the equator because of this coordination.
The 24-hour time period is important for applications such as telecommunications, weather monitoring, and broadcasting. Because they orbit at a constant distance relative to the Earth, geostationary satellites offer constant coverage to certain areas of the geosphere, thus making them very useful for applications requiring continuous signal transmission.
The average distance between the geostationary satellites and the Earth’s equator is about 35,786 kilometers, which is far enough to ensure that it can cover huge areas of the planet. This also streamlines the construction of ground antennas, as antennae can target a single area in the sky. In totality, 24-hour periods of geostationary satellite orbits are greatly important in this modern communication world and information age, which means increased connectivity along with monitoring within the entire globe.
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