Space Exploration

12345678910111213141516171819202122232425
Across
  1. 4. rocket with a bomb as a payload
  2. 6. four planets closest to the sun
  3. 7. Russian term for astronaut
  4. 8. angle measured clockwise from north
  5. 10. measures altitude
  6. 11. completes one Earth orbit in 1.5h
  7. 12. measure azimuth
  8. 13. speed at which exhaust leaves a rocket
  9. 16. enables spacecraft to change speed by using gravity
  10. 19. used to magnify objects at greater distances
  11. 20. device a rocket carries
  12. 21. earth -centered
  13. 22. Global Positioning System
  14. 23. rocket with more than one stage
  15. 24. charge coupled device
  16. 25. trajectory in which space craft is boosted out of and back into Earth
Down
  1. 1. contains combustible material in one end and payload in the other
  2. 2. looks like a squashed circle
  3. 3. sun centered
  4. 5. satellite made by humans
  5. 9. orbit of satellites orbiting Earth once everyone 24 hours
  6. 14. four planets furthest from the sun
  7. 15. angle measured above the horizon
  8. 17. measures planets from space
  9. 18. high energy subatomic particles that stream off the sun