26. What is the name of the largest moon of Neptune?
a) Titan
b) Callisto
c) Triton
d) Charon
Answer: c) Triton
27. What is the name of the dwarf planet that was reclassified from a planet in 2006?
a) Ceres
b) Eris
c) Pluto
d) Haumea
Answer: c) Pluto
28. What is the name of the largest asteroid belt in our solar system?
a) Kuiper Belt
b) Oort Cloud
c) Main Belt
d) Scattered Disk
Answer: c) Main Belt
29. What is the name of the largest Kuiper Belt object?
a) Pluto
b) Eris
c) Haumea
d) Makemake
Answer: b) Eris
30. What is the name of the spacecraft that visited Pluto in 2015?
a) New Horizons
b) Juno
c) Dawn
d) Messenger
Answer: a) New Horizons