Solar System Vocab-

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Across
  1. 1. a ball of frozen dust and rock that orbits the sun and has a tail that glows
  2. 3. An elongated circle, stretched into an oval
  3. 5. a region of the solar system beyond the orbit of neptune, believed to contain many comets, asteroids and other small bodies made largely of ice
  4. 7. area around a star that life can exist
  5. 9. the spinning of Earth on its axis
  6. 10. a natural satellite that revolves around a planet
  7. 13. The sun, the planets and their moons, and other objects that move around the sun.
  8. 14. a streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere
  9. 15. a spherical shell of celestial bodies believed to surround the Sun far beyond the orbits of the outermost planets
Down
  1. 2. organism that grows under extreme or harsh conditions
  2. 4. The path of an object as it revolves around another object in space
  3. 6. any planet outside our solar system
  4. 8. the tendency of an object to resist a change in motion
  5. 9. the movement of an object around another object
  6. 11. An object that orbits a star, is large enough to have become nearly spherical in shape, and has no other large object in its orbital path
  7. 12. a small rocky body orbiting the Sun