Solar System Crossword

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Across
  1. 3. A ball of ice and dust whose orbit is usually a long narrow eclipse
  2. 7. The region of the solar system between the orbits of Mars and Jupiter where asteroids are found.
  3. 10. A scientist who studies the universe beyond Earth
  4. 13. The name given to the first outer planets.
  5. 15. A description of the solar system in which all of the planets revolve the sun.
  6. 16. A chunk of rock or dust in space
Down
  1. 1. A description of the solar system in which all of the planets revolve around Earth.
  2. 2. The spinning motion of a planet from east to west
  3. 4. The attractive force between two objects; its magnitude depends on their masses and the distance between them.
  4. 5. Any object that revolves around another object space (Moon)
  5. 6. A streak of light in the sky produced by the burning of meteoroid in
  6. 8. Objects that revolve around the sun that are too small and too numerous to be considered planets.
  7. 9. Fusion The combining of two atomic nuclei onto a single larger nucleus
  8. 10. The study of the moon, stars, and other objects in space
  9. 11. The name given to the four inner planets.
  10. 12. The path of an object as it revolves around another object in space
  11. 14. A systems of millions or billions of stars held together by gravitational attraction