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1. Why does the Sun appear reddish early in the morning?
The sun is the horizon during sunrise and sunset. As a result, the light from the sun passes through of air and covers a distance before reaching our eyes. The is mostly scattered and the colour reaches us. This gives the to the sun at sunrise and sunset. The light form the sun travels during the noon. Most of the colors get scattered and this is the reason why sun appears in color.
2. Why does the sky appear dark instead of blue to an astronaut?
The sunlight as there is in outer space, so the sky appears instead of blue to an astronaut. The eyes of astronaut’s light as the sunlight is , due to this sky appears black to them.
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