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A star is fifteen light years away from ...

A star is fifteen light years away from earth. The light emitted by it today will be seen after years.

A

5

B

10

C

15

D

30

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AI Generated Solution

To solve the question, we need to understand the concept of light years and how they relate to the distance of stars from Earth. ### Step-by-Step Solution: 1. **Understanding Light Year**: A light year is the distance that light travels in one year. It is a unit of measurement used in astronomy to express distances to stars and galaxies. 2. **Distance of the Star**: The problem states that the star is 15 light years away from Earth. This means that the light emitted by this star takes 15 years to reach Earth. ...
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AGRAWAL EXAM CART BIHAR-SOLAR SYSTEM (STARS AND CONSTELLATIONS)-IMPORTANT QUESTIONS
  1. A star is fifteen light years away from earth. The light emitted by it...

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  2. Our universe is expanding. This speculation is propounded by:

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  3. Which one among the following stars is nearest to the earth?

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  4. The distance between the sun and the Earth is:

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  5. The moon completes one revolution around Earth in:

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  6. Which year man firstly landed on the Moon?

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  7. What portion of the moon is visible from the Earth's surface?

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  8. The area of the moon's surface where there is no evidence of the water...

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  9. The calm and dark back part of the moon is called

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  10. Which of the following statement is correct?

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  11. Aakash Ganga is the common name give to:

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  12. The smallest planet in the solar system is:

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  13. Which of planets is known as "outer planets'?

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  14. The small groups of planetary pieces which are confined and revolving ...

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  15. The Earth has the size among all the plan ets:

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  16. The planet whose relevancy as a planet has been ended at Prague Summit...

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  17. The planet which has the largest number of satellites is:

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  18. The planet which completes one revolution in 88 days around the sun is...

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  19. The largest satellite of the planet Saturn is:

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  20. Which of the following are true?

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  21. From the space the sky appears to an astronaut

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