Question

why is sun colour is red while sunrise and sunset

Answer 1

during sunrise n sunset, when the sun is at horizon, the distance of sun from earth is much........therefore the light rays coming from sun with low wavelengths scatter vry far from the earth n red light which has the  highest wavelength experiences least scattering n travells a large distance and as a result, reaches our eyes n we see the sun red.

Answer 2

In the times of sun set and sun rise the sun rays have to go many kelometre from the sun. So another rays(violet,blue,Indigo,green,yellow,) would scatter in space. The red ray has more wave length than the others. So it doesn't scatters.

So we see the sun set and rise in the color red