Across
- 2. a group of stars that forms a picture
- 5. to spin
- 6. an imaginary line through the center of the Earth from the North Pole to the South Pole
- 8. the four planets closest to the sun, having solid surfaces— Mercury, Venus, Earth, and Mars
- 9. a star and all the heavenly objects that orbit it
- 11. a huge star system
Down
- 1. to orbit a central point
- 3. the four planets farthest from the sun, made mostly of gases— Jupiter, Saturn, Uranus, and Neptune
- 4. a heavenly body that orbits a star
- 7. an instrument using the earth’s position to tell time
- 10. the galaxy our sun and solar system belong to