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
In honor of
Pluto’s demotion, I present this trivia challenge
about the eight legitimate planets and moons in our
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
5. Not counting the earth, how
many planets can be seen without a telescope?
6. How many planets have no
7. How many planets have rings?
8. Which planet spins in the
opposite direction compared to the earth?
9. Besides Pluto, name four other
10. Which planet rotates on its
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
18. Scientists believe which
planet or moon is the best candidate to have life,
19. Which planet has the highest
20. Which planet has the most
confirmed moons and how many does it have?
2. Ganymede, which orbits Jupiter
3. Largest moon
4. Europa, Ganymede, Io, and
5. Five – Mercury, Venus, Mars,
Jupiter, and Saturn.
6. Two -- Mercury and Venus
7. Four: Jupiter, Saturn, Uranus
9. Ceres, Eris, Makemake, Haumea
11. April 8, 2024
13. Planet X or Planet 9
14. High iron content
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.