The planet closest to the Sun. The planet with the longest day. The planet with the most moons. The planet farthest from the Sun.
I gave my students this multiple choice question: Which planet in the solar system has the longest year?

Only one answer is correct among these 4 choices:
- The planet closest to the Sun.
- The planet with the longest day.
- The planet with the most moons.
- The planet farthest from the Sun.

Could you tell me which one is correct?

The planet farthest from the Sun.