Across
- 5. The mass of this object in space makes up 99.8% of our solar system
- 8. The hottest planet in our solar system
- 10. When the moon appears as a crescent, wedge, full, and not visible
- 11. This planet has the largest canyon and volcano
- 14. The part of the Earth’s crust that is mainly under water
- 18. This is the term for the outer planets that are made out of gas
- 19. This planet is the only one in our solar system that sustains life
- 20. The smallest planet in our solar system
- 22. Pluto was a part of the solar system and now considered this type of planet
- 23. This galaxy shape can be spherical and mostly has older stars
- 24. This large masses reside in the center of many galaxies
- 25. This space object is a huge collection of dust, gas, and billions of stars and solar systems
- 28. This is the only planet not visible to the naked eye
- 29. This is the thinnest layer of the Earth
Down
- 1. This galaxy shape is considered a cross between two differently shaped galaxies
- 2. This planet has the most moons
- 3. This planet is the only one that is tilted sideways
- 4. When you can see the entire moon
- 6. The inner planets of the solar system are these types of planets (rocky and solid)
- 7. The part of the Earth’s crust that we walk on
- 9. This is the category for galaxies that are not regularly shaped
- 12. This galaxy shape is similar to a pinwheel with a collection of old and new stars
- 13. This layer of the Earth is the reason why we have the magnetosphere
- 15. This layer of the Earth contains lava
- 16. The name of our galaxy
- 17. The name for a total sequence of moon phases
- 21. Galaxies that have a center that appears 100x brighter than the combined light of its stars is considered this
- 26. The solid, metallic layer of the Earth
- 27. This planet is the largest one in our solar system