Question

construct a right triangle ABC in which angle b is equal to 90 degree a b + C is equal to 10 cm BC is equal to 6 CM​

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.