Question

Imagine for a moment that the earth has no atmosphere. what would be the colour of sky in such case? give reason for your answer.

Answer 1

dark
because,when in presence of atmosphere
the refraction occur of light blue colour,this happens because colour of the sea.
sea cover3/4 of earth

Answer 2

In the absence of any atmosphere, there will be no scattering of sunlight and the sky will appear dark.