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Constituents Of Universe - Questions and Answers

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11. Time taken by light to reach Earth from the Sun is
A. 8 hours, 20 seconds
B. 8 hours, 20 minutes
C. 8 minutes, 20 seconds
D. one light year
Explanation:
12. The Sun is mainly made of
A. hydrogen
B. oxygen
C. carbon dioxide
D. nitrogen
Explanation:
13. Taurus is a
A. star
B. galaxy
C. constellation
D. planet
Explanation:
14. The star nearest to Earth is
A. Sun
B. Dhruva
C. Chitra
D. Alpha centavri
Explanation:
15. Asteroids, comets and meteors belong to
A. stellar system
B. solar system
C. constellations
D. galaxies
Explanation:
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