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Which unit is used for measuring distances in the universe?
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Name the three planets which have rings around them.
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Give reasons for the following:
Mercury completes its orbit in less time than the Earth.
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Give reasons for the following:
Venus is considered as the Earth’s twin.
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Give reasons for the following:
No life is possible on Saturn.
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Give reasons for the following:
Pluto is the coldest planet.
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Give reasons for the following:
Comets appear very rarely.
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What do you understand by ‘Terrestrial Planet’?
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Why does the moon appear big in the sky though it is smaller than other heavenly bodies?
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The shape of the earth is not exactly that of a sphere Why?
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Why is Mercury the hottest planet of the Solar System?
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Why is Neptune the coldest planet of the Solar System?
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‘Venus is considered Earth’s Twin’. Why?
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Describe the position of the Earth in the Solar System.
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Which is the satellite of the Earth?
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Name the sources of information about forces operating inside the earth.
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In which part of the earth is NIFE found?
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What is composed of NIFE?
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