August 24 celebrates Pluto demotion day. Pluto was recognized as a planet since it’s discovery in 1930 until its downgraded status as a dwarf planet in 2006. This decision, to demote Pluto, I fully agree with, by the way!
In honor of Pluto’s demotion, I present this trivia challenge about the eight legitimate planets and moons in our solar system.
- 1. What is the smallest planet in the solar system?
- 2. What is the largest moon in the solar system and which planet does it orbit?
- 3. Which is larger, the largest moon in the solar system or smallest planet?
- 4. What are the major four moons of Jupiter?
- 5. Not counting the earth, how many planets can be seen without a telescope?
- 6. How many planets have no moons?
- 7. How many planets have rings?
- 8. Which planet spins in the opposite direction compared to the earth?
- 9. Besides Pluto, name four other dwarf planets?
- 10. Which planet rotates on its side?
- 11. When is the next total solar eclipse visible in the United States?
- 12. How many Apollo missions landed on the moon?
- 13. What is the name for the hypothetical Neptune-sized planet far beyond the orbit of Pluto?
- 14. Why is Mars red?
- 15. Which is the hottest planet?
- 16. Which is the coldest planet?
- 17. Which moon is volcanically active?
- 18. Scientists believe which planet or moon is the best candidate to have life, besides earth?
- 19. Which planet has the highest mountain?
- 20. Which planet has the most confirmed moons and how many does it have?
- 1. Mercury
- 2. Ganymede, which orbits Jupiter
- 3. Largest moon
- 4. Europa, Ganymede, Io, and Callisto
- 5. Five – Mercury, Venus, Mars, Jupiter, and Saturn.
- 6. Two -- Mercury and Venus
- 7. Four: Jupiter, Saturn, Uranus and Neptune
- 8. Venus
- 9. Ceres, Eris, Makemake, Haumea
- 10. Uranus
- 11. April 8, 2024
- 12. Six
- 13. Planet X or Planet 9
- 14. High iron content
- 15. Venus
- 16. Uranus.
- 17. Io (of Jupiter)
- 18. Europe, of Jupiter, which likely has liquid water under the surface.
- 19. Mars. The highest mountain is Olympus Mons, which is the size of Arizona
- 20. Tie between Jupiter and Saturn at 53. However, Saturn has 29 additional provisional moons, while Jupiter has 26.