Unit 11: The Earth and Beyond Assignment

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Across
  1. 2. Model with the Earth at the centre
  2. 5. Measured how fast the galaxies were moving
  3. 6. Model with the Sun at the centre.
  4. 7. Made of billions of stars clustered close together in space
  5. 9. Made of the Sun, the planets and their stars
  6. 10. Planets close to the Sun
  7. 11. To travel into space, you have to get above the Earth's __________________.
  8. 13. Spacecraft to take first people to space
  9. 15. The line joining the North Pole and the South Pole
  10. 18. Scientist who study space
  11. 20. Start of the Universe
  12. 21. Moon's face is completely dark
  13. 23. Planets far from the Sun
  14. 25. Everything we see in space
  15. 26. Moon's face is a complete circle
Down
  1. 1. Found the heliocentric model
  2. 3. Pattern formed by the brightest stars in the sky
  3. 4. Moon show different _______________.
  4. 8. When sunlight reaches a planet, it _________ off the planet.
  5. 9. Stars are ____________ of light.
  6. 12. Large object that orbits a star
  7. 14. First person to enter space
  8. 15. The Sun ________ to move across the sky during the day.
  9. 16. Giant ball of hot, glowing gas
  10. 17. Ball of rock which we can see in the sky
  11. 19. Local star
  12. 22. The Earth is in _________ around the Sun.
  13. 23. Astronomer to first use a telescope
  14. 24. Small lump of rock in orbit around the Sun