Science 9 Ptolemy Theory

Posted: May 4, 2020

Answer the following Questions:

  1. What does the expression "Earth-centered universe" mean?
  2.  What evidence helped to change Earth-centered universe theory?
  3. How and why has our estimation of the size of the universe changed in the past few centuries?
  4. What is galaxy and what is our galaxy called?
  5. Describe how "new" technology in Galileo's time helped to change an established idea.
  6. In reference to Galileo's time, what societal effects were related to the change?