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From Karnataka Open Educational Resources
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| [http://sciencelearn.org.nz/Contexts/Satellites/Science-Ideas-and-Concepts/Artificial-satellites To know more about artificial satellites click here] | | [http://sciencelearn.org.nz/Contexts/Satellites/Science-Ideas-and-Concepts/Artificial-satellites To know more about artificial satellites click here] |
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| + | [https://www.nasa.gov/pdf/153415main_Rockets_How_Rockets_Work.pdf To know more about working of Rockets click here] |
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| ==Reference Books== | | ==Reference Books== |