Across
- 3. the first man to walk on the surface of the moon
- 6. the phase of the moon when the whole moon is visible
- 7. the amount of time it takes for the moon to fully orbit the earth
Down
- 1. one of the only things that can change the surface of the moon
- 2. the President who made a goal to land a man on the moon and return him safely to Earth
- 3. the phase of the moon when the moon cannot be seen
- 4. the people who travel in space
- 5. a dark area or shape made when an object or body blocks light