Questions in this quiz: Planets of the Solar System

The eight planets in order. Sizes, distances, day/year lengths, moons, atmospheres, and distinguishing features from Mercury to Neptune.

1. Which planet in our solar system has the shortest year, completing an orbit around the Sun in just 88 Earth days? — Options: Mercury, Venus, Mars, Earth
2. Which planet rotates so slowly that a single day on its surface lasts longer than its entire year? — Options: Mercury, Venus, Mars, Neptune
3. Which planet has the largest and most prominent ring system visible from Earth through a small telescope? — Options: Jupiter, Saturn, Uranus, Neptune
4. Which planet is home to Olympus Mons, the tallest known volcano in the solar system? — Options: Venus, Mercury, Mars, Earth
5. Which planet is the most massive in the solar system, containing more than twice the mass of all the other planets combined? — Options: Saturn, Neptune, Jupiter, Uranus
6. Which planet is tilted on its side, rotating at roughly a 98-degree angle relative to its orbit around the Sun? — Options: Neptune, Saturn, Uranus, Mars