ROCKETS AND SATELLITES

CONTENT

1. Artificial Satellites
2. Rockets

Artificial Satellites

These include all man-made objects that were positioned to orbit the earth (i.e. to go round the earth) artificial satellites are used for various purposes such as:

1. For telecommunication
2. For identification of places on the earth
3. To enhance military intelligence
4. For meteorological studies
5. Scientific study of the earth
6. For space science

Since the launch of the first artificial satellite in 1957, thousands of satellites has been positioned to orbit the earth.

Basic Components of a Satellite

Basic Components of a Satellite

Basically, satellite consists of the following:

1. Power generation and distribution system: Most satellites use solar energy from the sun. They also contain rechargeable batteries to store energy during eclipse.
2. Command and data handling system. It contains antennae to receive and transmit signal and computers to process these signals.
3. Payload: This contains measuring instruments and imaging devices or any other items relating to the mission of the satellite.