quiz

The Planets

1. How many planets are in our solar system?

  • A) Seven
  • B) Eight
  • C) Nine
  • D) Ten
B) Eight Explanation

2. Which planet in our solar system holds the title of the hottest planet? 

  • A) Earth
  • B) Mars
  • C) Venus
  • D) Jupiter
C) Venus Explanation

3. What is Mercury’s orbital period around the Sun?

  • A) 365 Earth days
  • B) 88 Earth days
  • C) 687 Earth days
  • D) 29.5 Earth days
B) 88 Earth days Explanation

4. What is a Martian day called?

  • A) Solaris
  • B) Lunaris
  • C) Sol
  • D) Terran
C) Sol Explanation

5. The planet with the Great Red Spot is:

  • A) Venus
  • B) Jupiter
  • C) Mars
  • D) Saturn
B) Jupiter Explanation

6. Which planets are known as ice giants?

  • A) Jupiter and Saturn
  • B) Saturn and Uranus
  • C) Uranus and Neptune
  • D) Neptune and Mars
C) Uranus and Neptune Explanation

7. Which is the largest moon in our solar system?

  • A) Europa
  • B) Ganymede
  • C) Callisto
  • D) Io
B) Ganymede Explanation

8. How long does it take sunlight to travel from the Sun to Mars?

  • A) 8 minutes
  • B) 13 minutes
  • C) 24 minutes
  • D) 30 minutes
B) 13 minutes Explanation

9. Which planet experiences a 21-year-long dark winter?

  • A) Jupiter
  • B) Uranus
  • C) Mars
  • D) Saturn
B) Uranus Explanation

10. What is the largest moon of Saturn?

  • A) Titan
  • B) Rhea
  • C) Mimas
  • D) Enceladus
A) Titan Explanation

11. Who was the first person to measure the size of Earth?

  • A) Pythagoras
  • B) Eratosthenes
  • C) Aristotle
  • D) Hipparchus
B) Eratosthenes Explanation

12. Which planet takes the longest time to complete one revolution around the Sun?

  • A) Jupiter
  • B) Saturn
  • C) Neptune
  • D) Uranus
C) Neptune Explanation

13. Which planet has the shortest day in the solar system?

  • A) Earth
  • B) Jupiter
  • C) Mars
  • D) Mercury
B) Jupiter Explanation

14. What is the shape of the Earth?

  • A) Perfect Sphere
  • B) Ellipsoid
  • C) Oblate Spheroid
  • D) Cylinder
C) Oblate Spheroid Explanation

15. What is the largest volcano in the Solar System?

  • A)  Mount Everest
  • B) Olympus Mons
  • C) Mauna Kea
  • D) Mount Vesuvius
B) Olympus Mons Explanation

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