Heliocentric

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Across
  1. 5. Who made improvements to the first telescope?
  2. 6. What shape did Kepler believe planets paths should be?
  3. 7. What was one of the things that Kepler was?
Down
  1. 1. What did Copernicus develop first?
  2. 2. What did Galileo observe using the improved telescope?
  3. 3. What did Copernicus think about Ptolemy's model of the ss?
  4. 4. Which shape did Copernicus believe planets paths should be?