solar system

4. an oval shape that is centered on two points instead of a single point, as in a circle
7. the four inner planets with solid, rocky surfaces
9. shower occurs when comet particles burn up entering Earth’s upper atmosphere
11. unit of measurement used to find distances between the Sun and a planet in its orbit

1. low, warm, dark-colored clouds that sink
2. movement in the opposite direction
3. rocky asteroid like belt that lies outside the orbit of Neptune
5. small icy bodies that have eccentric orbits around the Sun
6. interplanetary material that falls toward Earth and enters Earth’s atmosphere
8. meteoroid that strikes Earth’s surface
10. high, cool, light-colored clouds that rise