An astronaut sees the colour of the sky as: A) Blue B) White C) Red D) Black
Option D) To an astronaut it will appear as black. On earth we see the blue sky due to presence of atmosphere. Atmosphere refracts light ray coming from the sun and we see the colour of sky.In space, due to the absence of the atmosphere the light rays do not refract and reach the astronomer's eyes therefore it appears black.
