Satellites
The Satellites
Satellites: That are being put to the maximum use are the geostationary satellites. The time period of their revolution around the earth, equals the time period of rotation of the earth around its own axis. These satellites stay in the same position relative to the surface of the earth.
A satellites is a heavenly (or celestial ) body that revolves around another heavenly body. The earth has only natural satellite, the moon. Someplanets, like the jupiter, Saturn and Neptune, has more than one natural satellite or moons.
Artificial Satellites- Artificial satellites are man – made objects which can be made to revolve around the earth. Artificial satellites perform various tasks such as transmitting radio telephone and television signals sending back information for weather forecasting military and for locating minerals resources.
Aryabatta was India’s first artificial satellite launched in 1975. Bhaskra, Rohini, Apple and INSAT are some of the other Indian satellites.
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Satellite Aryabhatta
The satellite like Aryabhata or INSAT 3B are examples of man- made or artificial satellite. The artifical satellites also revolve around the earth like its natural satellite, the moon. However, they are much closer to the earth than the moon. Russia was the first to send a artificial satellite around the earth. This was followed by America and other countries including China and India. Aryabhata, Bhaskar, Apple, INSAT I, II and 3B are some artificial satellites sent around the earth by India.
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INSAT Satellite
Remote sensing: Remote sensing means collecting information from a distance. This technology is used to collect information about weather, agriculture, land and ocean features including movement of fishes in ocean.
Aryabatta is an __________________ satellite. | |||
| Right Option : D | |||
| View Explanation | |||
Name the first artificial satellite launched by India? | |||
| Right Option : A | |||
| View Explanation | |||
_____________ of the following is a natural satellite. | |||
| Right Option : C | |||
| View Explanation | |||
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