Milky Way

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Across
  1. 3. - a region in space where gravity is so strong nothing can escape
  2. 5. - the planet famous for its bright, icy rings
  3. 8. - an instrument that makes distant objects in space appear closer
  4. 10. - when one celestial body moves into the shadow of another
  5. 12. -the invisible force that pulls objects toward eachother
  6. 13. - the galaxy that contains our solar system
  7. 16. - a powerful explosion marking the death of a star
  8. 18. - the scientific study of stars, planets and the universe
Down
  1. 1. - everything that exist: space, time, matter and energy
  2. 2. - a group of stars forming a recognizable pattern in the universe
  3. 4. - a massive system of stars, dust and gas bound by gravity
  4. 6. - a small icy body that leaves a glowing tail when near the sun
  5. 7. - a giant cloud of gas and dust where stars are born
  6. 9. - a glowing ball of hot gases that shine with their own light
  7. 11. - the distance light travels in one year
  8. 14. - a rocky that orbits the sun, smaller than a planet.
  9. 15. - a streak of light caused by a rock burning up in the earth's atmosphere
  10. 17. - the path one objects take as it revolves around another