Across
- 2. holds all of the planets orbit around the sun
- 5. the curved repeating path that one celestial object takes around another object in space under the influence of gravity
- 8. the sun and everything that revolves around it
- 10. a wobble back and forth
Down
- 1. the name of the Galaxy we live in
- 3. the closest Galaxy to the milky way
- 4. the law of planetary motion
- 6. the imaginary line running through the center of the earth
- 7. causes the stars change directions in the sky
- 9. the star that the planets of the solar system orbits around