The Universe
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The Universe
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25 Questions

1. Which one of the following is correct? Great Bear is a : [CDS 2008]
2. The planet Mercury is difficult to be observed most of the time because:
3. Which of the following gases is most predominant in the Sun?
4. Which of the following planets of the solar system has the longest day?[IAS 2003 - CDS 1994]
5. Which one of the following planets takes the same number of days for rotation and revolution?
6. Consider the following astral bodies: 1. Sirius 2. Venus 3. Mars The correct sequence in decreasing order of their brightness is : [CDS 1999]
7. In 1610 - Galileo Galilei discovered four moons of which planet?
8. In order of their distances from the Sun - which of the following planets lie between Mars and Uranus? [IAS 2008]
9. NASA's Deep Impact space mission was employed to take detailed pictures of which comet nucleus? [IAS 2007]
10. 'The length of its day and the tilt of its axis are almost identical to those of the earth'. This is true of: [IAS 2003 - 1994]
11. Lunar Sea refers to :
12. The hottest planet is : [CPO SI 2002]
13. The radiant energy of the sun is transmitted in the form of:
14. The Saturn rings were discovered by:
15. The correct sequence of the following planets in terms of gravity - in the descending order is : [IAS 2003]
16. Comets revolve around: [NDA 1990]
17. The exact time taken by the earth for single rotation on its own axis is:[RRB 1991]
18. Comets are celestial bodies moving about the solar system in
19. The altitudes of heavenly bodies appear to be greater than they actually are. This is due to:
20. Which planet is known as the 'Watery Planet' ?
21. Which of the following is the brightest planet? [Bank PO 1991]
22. The same side of the moon always faces the Earth because: [Railways 1994]
23. Which of the following statements is/are correct? 1. In comparison to the Jupiter - planet Earth displays eclipses more frequently 2. On Mars - only partial solar eclipses are possible Select the correct answer using the code given below: [NDA 2011]
24. The strongest evidence that comets are members of our solar system comes from: [CDS 1992]
25. Umbra Zone 2. Penumbra Zone 3. Celestial sphere 4. Phases of the moon A B C D

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