Christian Franklin P:3
Across
- 1. Backward motion of a planet
- 4. When many objects fly through the sky, all burning up before reaching Earth
- 5. Forms under the extreme pressures on Jupiter
- 6. A unit of measure that is equal to the distance between the Sun and the Earth
- 9. Planets that are formed from dust,rocks and other materials
- 12. A measure of how circular a planets orbit is
- 14. 20-200 times larger than the asteroid belt
- 16. Planets similar to Earth but made up of rocks and metals, creating a hard surface
- 17. The path that each planet creates while orbiting the sun
- 18. Lumps of rock and iron that orbit the sun
Down
- 2. Larger planets that are made up of mostly hydrogen and helium
- 3. Layers of Earth materials such as rock and metals
- 7. Too small to be considered a planet
- 8. Objects of matter that burn up before reaching Earth
- 10. Bodies of mass that hit the Earth
- 11. icy object that orbits the sun
- 13. A steep surface that is formed by ruptures
- 15. where asteroids orbit