Across
- 4. observe space
- 5. planets made of rock and metal
- 8. travels in Earths atmosphere
- 9. orbits planets sending signals
- 13. massive objects orbiting the Sun
- 16. 4.88 billion miles from the Sun
- 20. launches to get to space
- 21. science lab orbiting Earth
- 24. investigates planets
- 26. spinning on an axis
- 29. moving around another object
- 30. travels in space
Down
- 1. largest planet
- 2. windiest planet
- 3. once it hits the ground
- 6. ball of ice, gas, and dust
- 7. used telescope to prove the Sun was the center of the solar system
- 10. planet with life
- 11. the RED planet
- 12. natural satellite orbiting planets
- 14. planet with the most rings
- 15. closest planet to the Sun
- 17. between Mars and Jupiter
- 18. ball of gas at the center of our solar system
- 19. 93 million miles from the Sun
- 22. "space potato"
- 23. coldest planet
- 25. reusable space craft
- 27. investigates terrestrial planets
- 28. the hottest planet