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What are satellites
Celstial Bodies which revolve around planets are called satellites
They can be natural or manmade(artificial satellites)
Difference between Natural and Artificial Satellites
| Natural Satellites | Artificial Satellites |
| It is made by Nature | It is made by humans |
| They are permanent | They are temporary |
| They are not used for communication | They are used for communication with the Earth |
| Example - Moon is the natural Satellite of the Earth | Example - Aryabhata, INSAT, EDUSAT,Kalpana-1 |
What are different uses of Artificial Satellites?
- They help in forecasting weather (telling what will be weather in future)
- They help in broadcasting TV Radio Signals
- They help in telecommunication (telephone internet)
- They help in remote sensing .It means gathering information about a place from distance
Questions
NCERT Question 4 (d) - A celestial body that revolves around a planet is known as __________.
NCERT Question 5 (d) - Mark the following statements as true (T) or false (F)
INSAT is an artificial satellite. ( )
NCERT Question 7 - In which part of the sky can you find Venus if it is visible as an evening star?
