Across
- 3. Oblong dwarf planet, rotates in only 4hrs
- 7. Only dwarf planet in the inner solar system, was once thought an asteroid
- 10. Summer and Winter have this season
- 12. When the moon appears completely dark
- 14. Bright streaks starting from a crater and extending away for long distances.
- 17. Mercury, Venus, Earth, Mars - These are _______ planets
- 18. Smaller, heavier, and further out than Pluto
- 20. The moon shows on just the right or left side
- 23. ~75% of the moon is showing on the right or left side
- 24. When space debris lands on Earth
- 25. When the moon is about halfway visible from the left or right side
- 26. rim Mountains that form during impact due to pressure
- 28. Bowl shaped or flat, below surrounding ground level
- 29. When this object hits the Earth's atmosphere and they start to burn up
- 30. A model of the solar system with the Earth at the center
Down
- 1. Jupiter, Saturn, Uranus, Neptune - These are _______ planets
- 2. Characteristically steep and may have giant "stairs" called terraces.
- 4. The moon appears completely bright
- 5. Fall and Spring have this season
- 6. Space debris made of mainly rock with some iron or icy parts
- 8. Blanket of material surrounding the crater that was excavated during the impact
- 9. The science that deals with the material universe beyond the Earth's atmosphere
- 11. Objects in space that range in size from dust to small asteroids
- 13. The curvature of an orbit
- 15. A model of the solar system with the sun in the center
- 16. This dwarf planet's existence proved another planet isn't actually a plane
- 19. planets get further from the sun, their period of revolution increases, This is Kepler's ____ Law
- 21. A solid body of ice, rock, dust, and/or frozen gasses
- 22. Planets move in elliptical orbits with the sun at one of the foci, This is Kepler's ____ Law
- 27. Was once classified as the 9th planet
