Space Crossword (JH)

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Across
  1. 3. the distance light travels in one year
  2. 4. giant ball of hot gas that produces light and heat through nuclear reactions
  3. 6. the force that pulls objects toward each other; keeps planets in orbit around the sun
  4. 7. a giant cloud of dust and gas where stars are born
  5. 8. a streak of light in the sky caused by a space rock burning up in the Earth's atmosphere
  6. 9. a piece of a meteoroid that survives and lands on Earth
  7. 10. a group of stars that form a recognizable pattern or shape in the sky
  8. 13. the explosion of a massive star at the end of its life
  9. 15. a rocky object that orbit the sun
  10. 16. a vehicle designed to propel itself into space using engines and fuel
  11. 17. a huge collection of stars, gas, and dust held together by gravity
Down
  1. 1. an object that orbits a planet
  2. 2. a large, round object that orbits a star, planet, or moon due to gravity
  3. 5. a large hole on a planet or moon's surface, usually caused by a meteroite impact
  4. 9. a natural satellite that orbits planet
  5. 11. a person trained to travel and work in space
  6. 12. a frozen ball of dust and gas that forms a glowing tail when it gets close to the sun
  7. 14. a region in space where gravity is so strong that nothing, not even light can escape