Across
- 1. the galaxy that contains the Solar System
- 3. The space station where Apollo 11 took off from and landed back
- 8. A person trained to pilot, command, or serve as a member in space
- 10. The pull on Earth
- 13. the envelope of gases surrounding a planet
- 14. The star around which the earth orbits
- 15. an obscuring of the light from one celestial body by the passage of another between it and the observer or between it and its source of illumination
- 16. First spacecraft that landed humans on the moon
- 17. the alternate rising and falling of the sea, usually twice in each lunar day at a particular place, due to the attraction of the moon and sun
Down
- 1. the different ways the Moon looks from Earth over about a month
- 2. Something that can be propelled to a great height or distance into space
- 4. The curved path of a celestial object or spacecraft around a star, planet, or moon
- 5. First person to walk the moon
- 6. The United States Federal Government responsible for the civilian space program
- 7. the natural satellite of the earth, visible by reflected light from the sun
- 9. a celestial body moving in an elliptical orbit around a star
- 11. Move or cause to move in a circle around an axis or center
- 12. An instrument to see space clearer from on Earth
- 14. An artificial body placed in orbit around the earth or moon or another planet in order to collect information or for communication
- 16. an imaginary line about which a body rotates