Across
- 4. rocket with a bomb as a payload
- 6. four planets closest to the sun
- 7. Russian term for astronaut
- 8. angle measured clockwise from north
- 10. measures altitude
- 11. completes one Earth orbit in 1.5h
- 12. measure azimuth
- 13. speed at which exhaust leaves a rocket
- 16. enables spacecraft to change speed by using gravity
- 19. used to magnify objects at greater distances
- 20. device a rocket carries
- 21. earth -centered
- 22. Global Positioning System
- 23. rocket with more than one stage
- 24. charge coupled device
- 25. trajectory in which space craft is boosted out of and back into Earth
Down
- 1. contains combustible material in one end and payload in the other
- 2. looks like a squashed circle
- 3. sun centered
- 5. satellite made by humans
- 9. orbit of satellites orbiting Earth once everyone 24 hours
- 14. four planets furthest from the sun
- 15. angle measured above the horizon
- 17. measures planets from space
- 18. high energy subatomic particles that stream off the sun