Unit 1 Space

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Across
  1. 3. This describes inner planets made of rock
  2. 5. It has a clear orbit
  3. 11. The name of our solar system
  4. 13. A meteor that has hit the Earth's surface
  5. 14. It is smaller than an asteroid and could be a part of an old planet, comet or asteroid
  6. 15. It is round, orbits the sun, but does not have a clear orbit
  7. 17. They usually have many moons, are larger and are outer planets
Down
  1. 1. A meteoroid that has entered Earth's atmosphere
  2. 2. This planet rotates on its side
  3. 4. A group of planets orbiting a star
  4. 6. The number of planets in our solar system that don't have moons
  5. 7. The name of the space probe used to explore objects far away in our solar system
  6. 8. It is found far away from the Sun, has a tail and an icy core
  7. 9. It is made of all the galaxies and everything else
  8. 10. The area where Ceres is found
  9. 11. It orbits a planet
  10. 12. Most of the dwarf planets are found here
  11. 16. The force that attracts things and holds things together
  12. 18. A group of solar systems held together by gravity