Across
- 3. The period of time when it is dark
- 4. To arrive on the ground or other surface after moving down through the air
- 5. The hottest planet in the solar system
- 9. An area of darkness, caused by light being blocked by something
- 10. A large cylindrical object that moves very fast and is used for space travelling
- 13. The farthest planet from the sun
- 14. The force that attracts objects towards one another, especially the force that makes things fall to the ground
- 15. Moon phase in which it is becoming smaller
Down
- 1. A person who has been trained for travelling in space
- 2. An occasion when the sun disappears from view, either completely or partly, while the moon is moving between it and the Earth
- 6. A bright light that travels through the Earth's atmosphere
- 7. The biggest planet in the solar system
- 8. To shine repeatedly, to be bright
- 11. A strong, hard hat that covers and protects the head
- 12. Moon phase in which it is growing
