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Trivia Quiz - The Planet Mercury

Not much is known about the planet Mercury. Test your knowledge of this enigmatic planet of our Solar System.

Quiz Number: 5713
Date Submitted: November 08, 2017
Quiz Categories: Science & Nature, Space Exploration
Quiz Type: General Quiz
Author: grant228
Average Score: 50 percent
Times Taken: 9 times
Taken by Registered Users: 2

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The Planet Mercury

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1. Which of the following is not true of the planet Mercury?
  A.   It is the closest planet to the Sun.
  B.   It is the smallest planet in the Solar System.
  C.   It is the hottest planet in the Solar System.
  D.   It has the shortest orbital period.

2. The composition of Mercury is mainly what?
  A.   methane
  B.   water
  C.   carbon dioxide
  D.   rock

3. What is the shortest distance between Mercury and the Sun?
  A.   460,000 kilometres
  B.   4.6 million kilometres
  C.   46 million kilometres
  D.   460 million kilometres

4. What are the only two spacecraft to have visited Mercury?
  A.   Mariner 10 & Messenger
  B.   Voyager 2 & Endeavour
  C.   Pioneer & Rosetta
  D.   Luna 16 & Sojourner

5. Craters on Mercury are named after what group of people?
  A.   musical composers
  B.   explorers
  C.   artists
  D.   writers

6. A day on Mercury is a very long one compared to that on Earth. How many Earth days does it take for Mercury to rotate once on its axis?
  A.   59
  B.   72
  C.   94
  D.   103

7. Which of the following is not true of Mercury?
  A.   It has phases as seen from the Earth.
  B.   Most of what we know about Mercury has been gained from the Hubble Telescope.
  C.   It has no moons.
  D.   Its rotation around the Sun is the most eccentric of all planets.

8. For what reason was Mercury named after the Roman God?
  A.   It was thought to guide souls to the afterworld.
  B.   Its movement resembled the caduceus of the god.
  C.   It was deduced the metal mercury was present on its surface.
  D.   It moved the fastest of the then-known planets.

9. Which scientist first observed Mercury through a telescope?
  A.   Copernicus
  B.   Newton
  C.   Galileo
  D.   Kepler

10. How large is Mercury when compared to the Earth?
  A.   1/50 the size
  B.   1/10 the size
  C.   1/5 the size
  D.   1/3 the size®   

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