Multiple choice

There is no twilight on moon, the day dawns suddenly. What is the cause behind this strange phenomenon?

  1. Absence of atmosphere

  2. Presence of atmosphere

  3. Absence of gravity

  4. Presence of gravity
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A Correct answer
Explanation

Twilight occurs because the atmosphere scatters sunlight even when the sun is below the horizon. Since the moon lacks an atmosphere, the transition from day to night is instantaneous.

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