Question

Apart from sun,all other stars are not visible during the day.Explain

Answer 1

apart from sun we cannot any planetary object in sky because sun occupies whole space as it produce large amount of light .due to scattering of more light in sky we are not able to see the other planetary objects..
the sun produce the light to other planetary objects so the planetary objects don't have enough light to produce this is also a reason for not visible of other stars ,comets etc...