Comprehension Watch first: https://www.youtube.com/watch?v=BQvo7vyCmuE The moon is a satellite. A satellite is a natural or man-made object that revolves around a planet. Some planets have many moons but planet earth has only one. Sometimes the moon moves round. Sometimes you see only a thin slice of it. Does the moon change shape? No, it doesn't. The moon is moving all the time. It is moving around the earth. It takes about twenty-eight days to go around the earth once. As it moves around the earth, we see parts of it. Sometimes we don't see it at all. Sometimes when the moon is full and round, we go for a walk. We say that we are taking a walk in the moonlight. Does the moon give off its own light? No, it doesn't. The moon is not incandescent. The sun is incandescent. Sunlight shines on the moon, then we see the light reflecting from the moon. The part of the moon that gets the direct sunlight is very hot while it is very cold...