Question

To draw a pair of parallel lines at some given distance, which type of angle can be constructed on line?

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.

Answer 2

A postcard or post card is a rectangular piece of thick paper or thin cardboard intended for writing and mailing without an envelope. ... While a postcard is usually printed by a private company, individual or organization, a postal card is issued by the relevant postal authority.