The document discusses various terms related to the moon including its phases, features, effect on tides, and history of exploration. It defines waxing as when the moon appears to grow in size, waning as when it decreases in size, and gibbous as between a half circle and full circle of illumination. It notes the moon's seas are dark patches formed by ancient lava flows and that phases refer to how much is illuminated each day. A harvest moon is a full moon near the autumn equinox that rises earlier each night. The first men on the moon were Neil Armstrong and Buzz Aldrin in 1969.