Question

Why does the sky appear black for passengers flying at high altitudes? ​

Answer 1

Answer:

The sky appears dark to the passengers flying at very high altitude because at higher altitude the atmospheric medium is very rarer so the scattering of light taking place there is very low so the passengers at very high altitude see the sky as dark.

Answer 2

Answer:

The sky appears dark to the passengers flying at very high altitude because at higher altitude the atmospheric medium is very rarer so the scattering of light taking place there is very low so the passengers at very high altitude see the sky as dark.