History of Astronomy

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Across
  1. 4. made a comprehensive and detailed star catalogue
  2. 6. came up with the theory of gravity and the three laws of motion
  3. 9. created the first map of the solar system
Down
  1. 1. popularized Copernican ideas and helped develop the telescope
  2. 2. discovered that the Earth rotates around the Sun
  3. 3. calculated the distance between the Earth and the Sun
  4. 5. refined the Copernican system and discovered planets move in ellipses
  5. 7. De compiled the first recorded star catalogue
  6. 8. first person to successfully find a way to predict solar eclipses