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Artificial Satellites Video Lecture - Class 8
FAQs on Artificial Satellites Video Lecture - Class 8
| 1. What are artificial satellites? |  |
Ans. Artificial satellites are man-made objects that are deliberately placed into orbit around the Earth or other celestial bodies. These satellites are designed to perform various functions such as communication, weather forecasting, scientific research, navigation, and surveillance.
| 2. How are artificial satellites launched into space? | |
Ans. Artificial satellites are launched into space using rockets. The rockets carry the satellites to the desired orbit and then release them. Once in space, the satellites use their onboard propulsion systems to fine-tune their orbits and maintain their positions.
| 3. What are the different types of artificial satellites? | |
Ans. There are several types of artificial satellites, including communication satellites, weather satellites, navigation satellites, spy satellites, and scientific research satellites. Each type serves a specific purpose and is equipped with different instruments and technologies.
| 4. How do artificial satellites stay in orbit? | |
Ans. Artificial satellites stay in orbit by achieving a delicate balance between their forward motion and the pull of gravity. They orbit the Earth at a specific altitude and speed, which allows them to continuously fall towards the Earth due to gravity but miss it due to their forward velocity. This results in a circular or elliptical path around the Earth.
| 5. What is the importance of artificial satellites? | |
Ans. Artificial satellites play a crucial role in various aspects of human life. They enable global communication by providing services like television broadcasting, internet connectivity, and mobile communication. They help in weather forecasting, which aids in disaster management and agricultural planning. Satellites also assist in navigation systems like GPS, enhance scientific research by collecting data from space, and contribute to national security through surveillance and reconnaissance capabilities.
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Nov 21, 2024 Last updated |
Artificial Satellites for Class 82024 is part of Class 8 preparation. The notes and questions for Artificial Satellites
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