Unit 4. Into the Space

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Across
  1. 1. The path an object takes around another object in space.
  2. 4. Earth's natural satellite.
  3. 7. The galaxy containing our solar system.
  4. 9. To spin or turn around a central point.
  5. 13. The huge, empty place above the Earth where the stars and planets are.
  6. 14. A super tiny planet in space, smaller than regular planets.
  7. 15. Stories that imagine future scientific advances.
  8. 18. The time when it's dark, and the sun is not visible.
  9. 19. A circular band, often around a planet.
Down
  1. 2. Small, round, floating air pockets in liquid.
  2. 3. A planet with a solid surface, like Earth.
  3. 5. The space above the Earth where the sun, moon, and stars are.
  4. 6. A vast collection of stars, planets, and cosmic dust.
  5. 8. A bright object in the sky with a tail, made of ice and dust.
  6. 10. Someone who studies stars, planets, and space.
  7. 11. The solid ground on Earth.
  8. 12. To send something, like a rocket, into the air.
  9. 14. A round-shaped roof or structure. PLaza Norte 2 has one.
  10. 16. Moving through the air, like in an airplane.
  11. 17. The star at the centre of our solar system.