by Rajan Gupta | Aug 27, 2020 | Universe
In India, space exploration started in 1967 when India launched its first toy rocket RH-75. After it India launched its first artificial satellite namely Arya Bhatta on March 19, 1975. The first Indian who went into the space is Rakesh Sharma. Then, India launched its...
by Rajan Gupta | Aug 27, 2020 | Universe
Following are the important applications of artificial satellites. 1. Communication The geostationary satellites are used for communication purpose like long distance telephone calls, telex, radio and T.V broadcasts etc. The satellites used for communication purpose...
by Rajan Gupta | Aug 27, 2020 | Universe
The technique which is used to get information about an object at a distance without being in physical contact with it is called remote sensing. The remote sensing is done through satellites called remote sensing satellites. The remote sensing satellites revolve...
by Rajan Gupta | Aug 27, 2020 | Universe
Satellite communication means sending, receiving and processing of information through satellites. For satellite communication, the information is sent to the satellites in the form of electromagnetic waves by transmitters located at the earth. The electromagnetic...
by Rajan Gupta | Aug 27, 2020 | Universe
The artificial satellites have generally three types of orbits: Polar orbits Equatorial orbits and Geosynchronous orbits Polar Orbits The orbits passing over the poles of the earth are called polar orbits. These orbits are present at the height of about 1000 km from...
by Rajan Gupta | Aug 27, 2020 | Universe
Artificial satellites are placed in their orbits around the earth with the help of very powerful launch vehicles or rockets. For this purpose specially designed rockets are fabricated by scientists. In rockets special kinds of fuels called rocket propellants are...
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