On a clear night, the moon shines brightly overhead. You might think that the moon gives off light,but it does not. Light from the sun reflects off the moon’s surface.Sometimes the moon looks like a large ball steady in the sky. Other times it looks like a tiny sliver. Myths, or legends, were made up by early people to explain why the moon changes shape. The early people of Greenland thought th (共 6353 字) [閱讀本文] >>