Artificial Satellites
You must have heard that there are a number of artificial satellites which are orbiting the Earth. You might wonder how artificial satellites are different from the natural satellites. The artificial satellites are man-made. They are launched from the Earth. They revolve around the Earth much closer than earth’s natural satellite, the moon. India has built and launched several artificial satellites. Aiyabhatta was the first Indian satellite. Some other Indian satellites are INSAT, IRS, Kalpana-1. EDUSAT, etc. Artificial satellites have many practical applications. They are used for forecasting weather, transmitting television and radio signals. They are also used for telecommunication and remote sensing.
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Stars and the Solar System - Notes
15. Some Other Members of the Solar System
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