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LAKHMIR SINGH & MANJIT KAUR-STARS AND THE SOLAR SYSTEM-EXERCISE
- Why is it difficult to observe the planet Mercury ?
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- State one way in which the planets can be distinguished the stars in t...
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- What are the various environmental conditions available on Earth which...
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- State one important consequence of the following : Rotation of Earth ...
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- State one important consequence of the following : Motion of tilted E...
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- What is a satellite?
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- Name the natural satellite of the Earth.
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- Moon does not have light of its own. How are we able to see the Moon ?
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- Name the constellation which appears to have the shape of : a big be...
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- What is asteroids ? Where are they located ?
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- State two difference between the artifical satellite of the Earth and ...
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- What is an artificial satellite ?
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- Name any two artificial satellite launched by our country.
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- State three uses of artificial satellites.
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- Define light year.
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- How many kilometres make 1 light year ?
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- What is a comet ?
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- Name the comet which was last seen in 1986 after period of 76 years.
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- When does a comet become visible to us ?
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- What happens to the tail of a comet when it moves far away from the su...
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