Multiple choice

Why does the sky seem so much clearer and have more stars visible during the winter months?

  1. because cold air holds more moisture

  2. because cold air cannot hold as much moisture

  3. because Earth has fewer daylight hours

  4. because the stars are closer to Earth in the winter
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Cold air holds less water vapor than warm air. Lower humidity reduces haze and atmospheric scattering, leading to clearer views of the stars.

Keep practicing — related questions