Solar System Word Search - Maddy

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Across
  1. 4. Main component of gas giant planets
  2. 6. Belt of ice and rock outside the orbit of Neptune
  3. 9. High, cool, light-colored clouds that rise
  4. 10. The part that hits the ground if the meteoroid doesn't burn up
  5. 11. Four inner planets with solid, rocky surfaces
  6. 12. Small, icy bodies that have highly eccentric orbits and come from the Oort Cloud
  7. 13. Asteroid fragment
  8. 14. Meteors appear to radiate and come down from the sky. Caused by the Earth going into an orbit of comets and the particles burning in Earth's atmosphere
  9. 15. Oval shape that is centered on two points (called foci)
  10. 16. Formed through colliding particles, these could form planets through collisions
  11. 17. When it seems that a planet is moving backward in the sky
Down
  1. 1. Ratio of the distance between the foci to the length of the major axis. It defines the shape of a planet's orbit.
  2. 2. Planet of helium and/or hydrogen. Examples are Jupiter and Saturn
  3. 3. Spherical object that has not cleared its orbit of debris
  4. 5. Line of cliffs by erosion. Mercury has a planet-wide system of these.
  5. 7. Low, warm, dark-colored clouds that sink
  6. 8. Distance between the Sun and Earth
  7. 10. Streak of light