Solar System MCQs

66. Which planet is known for having the fastest rotation in the solar system, completing one rotation in just under 10 hours?
a) Saturn
b) Venus
c) Jupiter
d) Mars

67. What is the name of the moon of Saturn that is known for having liquid oceans beneath its icy surface?
a) Enceladus
b) Mimas
c) Titan
d) Iapetus

68. Which planet has the highest average surface temperature in the solar system, reaching up to 864 degrees Fahrenheit (462 degrees Celsius)?
a) Mercury
b) Venus
c) Mars
d) Jupiter

69. What is the name of the largest moon of Neptune, discovered in 1989 by the Voyager 2 spacecraft?
a) Triton
b) Proteus
c) Nereid
d) Charon

70. Which planet is known for its massive, hurricane-like storms in both its northern and southern hemispheres?
a) Uranus
b) Jupiter
c) Neptune
d) Saturn