Unit 7 Vocab Crossword

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Across
  1. 5. planets, dwarf planets, moons, asteroids, comets, and stars
  2. 6. all of space, matter, and energy
  3. 8. filled with old red stars, very little gas and dust
  4. 9. and explosion of a dying star
  5. 10. gas, dust and stars held together by gravitational attraction
  6. 11. a force that pulls towards the center of mass
  7. 13. thing where gravity pulls into so even light can not get out
  8. 14. distance light travels in one year in space
  9. 15. supporting facts
Down
  1. 1. flat, rotating disc with stars, gas, and dust
  2. 2. the average distance between Earth and the Sun
  3. 3. explanation from experiments or evidence
  4. 4. galaxy where the sun, star, and solar system are
  5. 7. a cloud of gas and dust in space
  6. 12. standard measurement