P :Pjess:P New member Sep 8, 2010 #1 ...Geocentric to Heliocentric? What types of technology became helpful in changing the model? For whichever pieces of technology, how did they help in changing the model?
...Geocentric to Heliocentric? What types of technology became helpful in changing the model? For whichever pieces of technology, how did they help in changing the model?
