Other stars are farther from Earth than the Sun. Other stars are facing away from Earth. Other stars are smaller than the Sun. Other stars are producing less light.
I gave my students this multiple choice question: Which best explains why stars seen in the night sky are less bright than the Sun?

Only one answer is correct among these 4 choices:
- Other stars are farther from Earth than the Sun.
- Other stars are facing away from Earth.
- Other stars are smaller than the Sun.
- Other stars are producing less light.

Could you tell me which one is correct?

Other stars are farther from Earth than the Sun.