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Why is the distance between stars expres...

Why is the distance between stars expressed in light years? What do you understand by the statement that a star is eight light years away from the earth?

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MBD -HARYANA BOARD-STARS ABND THE SOLAR SYSTEM-EXAMPLE
  1. How can you locate the pole star with the help of Ursa Major?

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  2. Do all the stars in the sky move ? Explain.

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  3. Why is the distance between stars expressed in light years? What do yo...

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  4. The radius of Jupiter is 11 times the radius of the Earth. Calculate t...

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  5. Is the following sketch of the Solar system correct? If not, correct i...

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  6. Parvinder saw a constellation in the sky in a clear dark nigfht. Nme t...

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  7. Which planet is the nearest to the Sun?

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  8. Which planet is called red planet?

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  9. Which is the brightest planet at night?

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  10. Fill in the following blanks with suitable words : The planet which ...

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  11. Name the first artificial satellite launched by India.

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  12. Name one planet of the Solar system having life on it.

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  13. Which of the following is NOT a member of the solar system?

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  14. Which of the following is not planet of the solar system?

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  15. Name the star nearest to the Earth.

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  16. How much time does light take to reach us from the next nearest star '...

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  17. Which constellation looks like a big kite with a tail?

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  18. Name the constellation which looks like a cluster of twinkling gems in...

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  19. Define light year.

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  20. How far is the sun from the earth?

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