Across
- 4. the line that appears to join the sky and the earth
- 5. Name of first artificial satellite
- 8. what is the visible layer of sun called?
- 11. most luminous objects in the known universe
- 12. Hottest planet in the solar system
- 13. A region in the space where the gravity does not allow anything to escape
- 14. what is the code name of the first vehicle driven by the man on the moons surface
Down
- 1. piece of debries that survivies passage through the earths atmosphere
- 2. Artificial satellites orbit the earth here.who am I?
- 3. Country that launched first man in space
- 5. A star's explosive finale
- 6. farthest artificial satellite from earth
- 7. What nuclear reaction takes place on sun?
- 9. I am bigger than Venus but smaller than Uranus. I am a living rock. What am I??
- 10. One name for a collection of a million stars