Space

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Across
  1. 5. Another name for these is shooting stars
  2. 6. This is the belief that the sun is in the middle of the Solar System
  3. 8. These are believed to be pieces leftover from the creation of the Solar System
  4. 9. This is the biggest planet
Down
  1. 1. These are groups of stars put together to make a pattern
  2. 2. This is what keeps planets in orbit
  3. 3. Planets Pluto is the most famous one of these
  4. 4. There are more than 165 of these in the Solar System
  5. 5. This planet is the closest to the sun
  6. 7. These are composed of ice rock and gas