Question

why does the sun appears realize early in the morning ? observed by an astronaut an the man ? given reason to justify ? reason to justify your answer?

Answer 1

During the sunrise the sun is set close to the Earth's horizon, and therefore light travels a longer distance through the atmosphere of the Earth.

This is the reason sun appear reddish early in the morning. The astronaut will not observe this phenomenon on the moon's surface, because the moon has no atmosphere.