Solar System Crossword #1

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Across
  1. 1. A loose collection of atoms moving around each other
  2. 2. Rays part of the electromagnetic spectrum
  3. 4. The amount of matter something is made of
  4. 5. A force that pulls matter together
  5. 6. Rocks floating around in space
  6. 9. The galaxy we live in
  7. 11. A group of stars in the sky
  8. 12. An icy rock
  9. 14. The space around a magnet
Down
  1. 1. A collection of thousands to billions of stars held together by gravity
  2. 3. The other name of the milky way (Indonesian)
  3. 4. The strike of light caused when a meteoroid enters a planet's atmosphere and starts to burn from a heat of friction
  4. 7. A place in space where matter and light cannot escape if they fall in
  5. 8. The outer atmosphere of a star
  6. 9. The stuff that everything is made of
  7. 10. The gasses held by gravity around the earth and other planets
  8. 13. The best known of the dwarf planet