Earth and Beyond

123456789101112131415161718
Across
  1. 3. The model that the Earth at the centre
  2. 4. the Sun is at the centre of the Solar System and all the planets are in orbits around the Sun
  3. 8. The person who e thought that the Earth was at the centre of the Universe because if you drop something it falls towards the Earth
  4. 10. In the geocentric model, Light could travel through the spheres, called
  5. 11. The person who research for the space
  6. 12. who had produced a model with the Sun at the centre about 1200 years earlier
  7. 15. a scientist born in Uzbekistan, thought that it was not possible to prove that the Earth was moving
  8. 17. Galileo observed dark spots on the surface of the Sun
  9. 18. They look for further .... for support their explanation
Down
  1. 1. He thought that the motion of the stars was because the Earth was spinning on its axis, not because the stars were moving
  2. 2. The model explained a lot of the observations, but it did not explain one important observation
  3. 5. He is famous for developing the heliocentric model of the Solar System, but he did not invent the idea himself.
  4. 6. The telescope had been invented in 1600 in the Netherlands, and he made his own version in 1609
  5. 7. Copernicus promoted the heliocentric model in
  6. 9. They developed the geocentric model
  7. 13. In the geocentric model, all the spheres moved at a...speed, and all the objects, including the Earth, were spherical
  8. 14. The person who like to observe the science phenomenon
  9. 16. He developed the model to explain the motion of the planets. He added little circles on top of the bigger circles that were the paths of the planets