Why does the sky appear comparatively dark to an astronaut in outer space?

Options

  • A. There is essentially no atmosphere to scatter sunlight
  • B. Space absorbs all visible light
  • C. The Sun does not emit visible light
  • D. Visible light undergoes total internal reflection in space
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

A. There is essentially no atmosphere to scatter sunlight

Detailed Explanation

Outer space has no substantial atmosphere to scatter sunlight across the field of view, so the sky appears dark.

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BPSC TRE 4 General Science practice set 2

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