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प्रश्न
Currently, there are more than 2,500 man-made satellites orbiting the earth. The satellites are launched with a specific objective in mind pertaining to several uses.
Answer the following questions based on the concept of satellites given in the passage:
- Name a natural satellite of the earth.
- What is an artificial satellite? Name the first artificial satellite.
- What is the purpose of sending such satellites?
टिप्पणी लिखिए
उत्तर
- The Moon is the Earth's only natural satellite.
- A man-made astronomical object in a fixed orbit around the Earth or another planet is called an artificial satellite. The first artificial satellite ‘Sputnik’ was sent to space by the Soviet Union in 1957.
- Satellites are launched for a variety of communications and information-gathering purposes. Instruments are put in satellites to receive and transmit signals from and to the ground, depending on their role.
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संबंधित प्रश्न
Find the odd one out:
Which of the following is the communication satellite of India?
Complete the table.
| Type of satellite |
The function of the satellite |
The names of the Indian satellite series and their launch vehicles |
| Weather satellite | ______ | ______ |
| ______ | Establish communication between different locations in the world through the use of specific waves. | INSAT and GSAT Launcher: GSLV |
| Broadcast satellite | ______ | ______ |
| Navigational satellite | ______ | IRNSS Launcher: PSLV |
| ______ | Collect information for security aspects. | ______ |
Complete the correlation:
IRNSS : Direction showing : : INSAT : ______ Satellite
