Question

why isnot univrese bright

Answer 1

The daytime sky is blue because light from the nearby Sun hits molecules in the Earth's atmosphere and scatters off in all directions. ... At night, when that part of Earth is facing away from the Sun, space looks black because there is no nearby bright source oflight, like the Sun, to be scattered.

Answer 2

The daytime sky is blue because light from the nearby sun hits molecules in the Earth's atmosphere and scatters off in all directions.At night, when the part of Earth is facing away from the sun,space looks black because there is no nearby bright source of light, like the sun,to be scattered.