Astronomy

DIRECTIONS : Multiple Choice Questions and Answers.
16. The densest planet of the solar system is
  A.  Earth
  B.  Mercury
  C.  Jupiter
  D.  Uranus
17. How many planets ......... age of our solar system?
  A.  5
  B.  8
  C.  9
  D.  12

18. How many years does Pluto take in revolving round the sun?
  A.  110 years
  B.  248 years
  C.  272 years
  D.  250 years
19. Which of the following planets is known as Morning Star?
  A.  Mercury
  B.  Saturn
  C.  Mars
  D.  Venus
20. The number of stars(s) in our solar system is ......
  A.  1
  B.  2
  C.  3
  D.  4
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