Across
- 2. Earth is divided into theses halves
- 4. the largest planet in the solar system
- 10. Earths spinning in space
- 11. a change in the appearance of the moon's shape
- 13. a force that pulls objects toward each other
- 14. an imaginary line through Earth
- 15. a time of year with a particular type of weather
- 16. the region of space where the temperature range allows life to thrive
- 17. made of rock and metal
Down
- 1. a group of stars that seems to form a picture in the night sky
- 3. the smallest planet in our solar system
- 5. a large round body that revolves around a star in a clear orbit
- 6. the path that an object takes around another object in space
- 7. a ball of rock and frozen gases
- 8. the first person to study the night sky using a telescope
- 9. Earth does this around the sun once a year
- 12. an object that moves around another larger object in space