Our solar system

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Across
  1. 2. - a powerful machine that blasts off into space
  2. 5. - a ball of ice and rock with a glowing tail that zooms through space
  3. 7. - the planet where humans live
  4. 8. - a place in space where gravity is so strong that nothing can escape, not even light
  5. 11. - tiny lights we see twinkling in the night sky
  6. 12. - the sun and all the planets that go around it
  7. 14. - what we call unknown living beings
  8. 15. - the gas we breathe to stay alive
Down
  1. 1. - a person who travels to space
  2. 3. - the biggest planet in our solar system
  3. 4. - the planet farthest from the sun in our solar system
  4. 6. - the name of our galaxy full of billions of stars
  5. 9. - the lightest gas in the universe
  6. 10. - the bright round object that shines in the night sky
  7. 11. - a vehicle that can fly to space
  8. 13. - a giant ball of hot gas that gives us light and warmth