Universe Vocabulary

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Across
  1. 3. a big, bright object that gives Earth light at night
  2. 4. the sun, planets, and moons exist here
  3. 6. astronauts use this to fly into space
  4. 8. the planet human life is found on
  5. 10. a place that studies natural events
Down
  1. 1. a tool that allows people to see the stars
  2. 2. everything that exists in life
  3. 5. hot, explosive balls of gas that make their own light
  4. 6. largest star in solar system that heats Earth
  5. 7. made of dust and ice that travels around the sun
  6. 9. rocky objects that travel through space