Be an astronomer for a day! Learn the individual properties of the Earth, Moon and Sun, what causes day and night, the 4 seasons, moon phases and the tides. Learn how the NASA Apollo Missions greatly increased our understanding of the Moon. Learn about famous astronomers (Aristotle, Ptolemy, Copernicus and Galileo) and how they contributed to our understanding of the universe today.Your purchase consists of 1 downloadable PDF file consisting of a 43 page lesson, a 33 page quiz and 17 posters