T3 CH2 Universe and Space — Science STD 7 — Question
Tamilnadu BoardEnglish MediumSTD 7ScienceT3 CH2 Universe and Space2 Marks
Question
Write a note on artificial satellites.
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Answer
Artificial satellites are man-made objects placed in an obit to rotate around a planet – usually the Earth.
The world’s first artificial satellite launched was Sputnik-lby Russia, Aryabhatta was the first satellite launched by India.
These satellites are used in television and radio transmission, studying agriculture yield, locating mineral resources, weather forecasting, locate different places on Earth.
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