Across
- 1. center of our solar system
- 5. three laws for planetary motion
- 6. sun is the center of our solar system
- 9. closes to the sun
- 11. natural objects that rotate around the sun
- 13. Mars rover
- 14. name of our galaxy
- 15. earth is the center of our solar system
Down
- 1. man made objects that rotate around the earth and beyond
- 2. flatness of an ellipse
- 3. universal law of gravitation and planetary motion
- 4. shape of the planetary orbit
- 7. elliptical orbits have two ___
- 8. natural object that rotates around the earth
- 10. our planet
- 12. farthest away from the sun