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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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PSEB-STARS AND THE SOLAR SYSTEM-EXERCISE
  1. Fill in the blanks. Shooting stars are actually not ………………….

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  2. Fill in the blanks. Asteroids are found between the orbits of ………..a...

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  3. Mark the following statements as true (T) or false . Pole star is a...

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  4. Mark the following statements as true (T) or false . Mercury is the sm...

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  5. Mark the following statements as true (T) or false . Uranus is the far...

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  6. Mark the following statements as true (T) or false . There are nine pl...

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  7. Mark the following statements as true (T) or false . INSAT is an artif...

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  8. Mark the following statements as true (T) or false . Constellation Ori...

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  9. Match items in column A with one or more items in column B.

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  10. In which part of the sky can you find Venus if it is visible as an eve...

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  11. Name the largest planet of the solar system.

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  12. What is constellation ? Name any two constellations.

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  13. Draw sketches to show the relative positions of prominent stars in ...

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  14. Draw sketches to show the relative positions of prominent stars in ...

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  15. Name two objects other than planets which are members of the solar sys...

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  16. Explain how you can locate the Pole Star with the help of Ursa Major.

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

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  18. Why is the distance between stars expressed in light years ? What do y...

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  19. The radius of Jupiter is 11 times the radius of the Earth . Calculate ...

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  20. Boojho made the following sketch of the solar system ?Is the sketch co...

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