Across
- 2. Thick band of rock and planetesimals in between the orbits of Mars and Jupiter
- 4. Densest planet in our solar system, it is the furthest from the sun, and it is about 17 times the size of Earth
- 7. Planet with a thick atmosphere of CO2 and Sulfuric Acid, very hot with hurricane force winds; similar in size to Earth
- 9. Largest planet in our solar system; sometimes called a failed star
- 11. Coldest planet in the solar system; it is tilted 90 degrees so it appears to rotate on its side; first to be discovered with a telescope
- 12. Compact Rocky bodies that are made primarily of metals and silicates
- 13. Only planet to have water in all 3 phases, largest of the terrestrial planets
Down
- 1. Planet that is half the size of Earth that has a thin atmosphere and 2 moons; its surface is red due to Iron Oxide
- 3. Large, cold bodies made of heavier elements than gas giants
- 5. Large bodies made primarily of hydrogen and helium; these are the largest kind of planet
- 6. rock and planetesimals found outside the orbit of Neptune
- 8. Gas giant in our solar system with a complex ring system
- 10. Planet closest to the sun that is either really hot or really cold; Smallest terrestrial planet