Geo science Crossword

2. streak is of light produced when a meteoroid falls towards Earth and burns up
4. space objects are built of solid particles that can form planets through collisions and mergers
9. a line of cliffs produced by erosion or faulting
10. occurs when Earth intersects a cometary orbit and comet particles burn up as they enter Earth's upper atmosphere
11. high, cool, light-colored cloud that rises and flows rapidly in the Jovian atmosphere
12. due to its gravity, and spherical shape, orbits the Sun, isn't a satellite, and has not cleared the area of its orbit of smaller debris
14. form of hydrogen with both liquid and metallic properties that exists as a layer in the Jovian atmosphere
16. rocky-surfaced, relatively small, dense inner planets closest to the Sun
17. piece of interplanetary material that falls towards Earth and enters its atmosphere
18. large, gaseous planet that is very cold at its surface; has a ring system, many moons, and lacks solid surfaces

1. region of space that lies outside the orbit of Neptune, 30 to 50 AU from the Sun, where small solar system bodies are mostly rock and ice.
3. an oval that is centered on two points called foci; the shape of planets' orbits
5. ratio of the distance between the foci to the length of the major axis; defines the shape of the planet's elliptical orbit
6. small, eccentrically orbiting body made of rock and ice which have one or more tails that point away from the Sun
7. low, warm, dark-colored cloud that sinks and flows rapidly in the Jovian atmosphere
8. the average distance between the Sun and Earth
13. a planet's apparent backward movement in the sky
15. a small fragment of an orbiting body that has fallen to Earth, and doesn't completely burn up, strikes Earth's surface, causing an impact crater