prepare a report on uses of artificial satellite
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Pretty much all artificial satellites regardless of intent at least need power and ground communication, and that mean they all have some basic functions:
1) Solar panels. The most abundant and reliable power source in space is the sun. Thus every single active artificial satellite has solar panels. They are often on separate vanes, so they may be pointed independently of any other communication antennas or sensors on the main body of the satellite.
2) Orientation. To collect solar energy, the panels need to face the sun. This requires the satellite to know its orientation (sun or star trackers), control its orientation (reaction wheels), and be able to tilt the panels to face the sun. Some satellites like CubeSats have solar panels facing every direction, trading extra mass for passive orientation, but that limits the kind of missions they can do.
3) Communication. Most satellites need some form of communication back down to a ground station for telemetry and manual control. This requires amplifiers and either a pointable high-gain directional antenna or asymmetric dipole antenna (which needs a larger ground antenna).
4) Thermal control. Space is a harsh environment thermally, outside the blanket of the Earth’s atmosphere for maintaining a stable temperature. Heat is coming in from the sun, and waste heat is generated by any power electronics on-board. It needs to be piped to the outside of the satellite where it can be radiated into deep space.
5) Computers. Like every other piece of our modern technology, satellites have computers to control everything. Unique to satellites, they have to be extra reliable (can’t call a repairman in orbit!) and resistant to radiation. Typically, slower but more expensive “rad-hard” processors, memory, and electronics are used, along with many backup systems in case something goes wrong.
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The most realistic and feasible option requiring the shortest possible period of time is the creation of an artificial earth satellite in the form of an automatic device which would be equipped with scientific equipment, would have radio contact with the earth, and would circle the earth at a distance on the order.