Top Posters
Since Sunday
g
3
2
J
2
p
2
m
2
h
2
s
2
r
2
d
2
l
2
a
2
s
2
Home Q & A Board Science-Related Homework Help Physics Astronomy
New Topic  
barry barry
wrote...
Go to Answer
Posts: 11630
Rep: 151 1
10 years ago
Of the Ptolemaic and Copernican models, who wins the battle of Occam's Razor for the simplest explanation of retrograde motions?
Read 7305 times
3 Replies
Replies
wrote...
#1
10 years ago
Copernicus simply had retrograde motion resulting from the different speeds of the planets, with retrograding occurring any time one planet overtook another.  Ptolemy by contrast needed complex deferents, epicycles, and equants to handle the complex planetary motions.
Would you know my name, if I saw you in heaven?

Eric Clapton
Answer accepted by topic starter
barry Authorbarry
wrote...
#2
Top Poster
Posts: 11630
Rep: 151 1
10 years ago
Sign in or Sign up in seconds to unlock everything for free

Related Topics

wrote...
#3
3 years ago
Copernicus simply had retrograde motion resulting from the different speeds of the planets, with retrograding occurring any time one planet overtook another. Ptolemy by contrast needed complex deferents, epicycles, and equants to handle the complex planetary motions.
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  803 People Browsing
 125 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 707
  
 277
  
 1385
Your Opinion
What's your favorite funny biology word?
Votes: 328
Previous poll results: Which of the following is the best resource to supplement your studies: