The Moon does not make its own light like a star. The Moon appears bright because it reflects light from the Sun. Like the Earth, half of the Moon faces towards the Sun, and half faces away from it.
The Moon has been up there as long as evolution has been taking place ... They refer to day and night cycles driven by Earth orbiting the Sun. Human circadian rhythms are easily thrown off by jet lag ...
He covers skywatching, human spaceflight ... and it is always half-illuminated by the sun. As the moon travels around Earth, we see more or less of the illuminated half. Moon phases describe ...
Italian luxury fashion brand Prada in collaboration with US startup company Axiom Space has unveiled the design of a spacesuit that will be used for NASA Arte ...