Top Posters
Since Sunday
e
5
e
4
4
d
4
o
3
p
3
t
3
3
m
3
p
3
m
3
f
3
New Topic  
killian killian
wrote...
Silver Member
Posts: 6024
10 years ago
Ptolemy was important in the history of astronomy because he ________.
A) developed a model of the solar system that made sufficiently accurate predictions of planetary positions to remain in use for many centuries
B) developed the first scientific model of the universe
C) was the first to create a model of the solar system that placed the Sun rather than the Earth at the center
D) was the first to believe that all orbits are perfect circles
Read 351 times
2 Replies
Smiling Face with Open Mouth
Replies
Answer accepted by topic starter
padrepadre
wrote...
Staff Member
Educator
Top Poster
Posts: 21608
9 years ago
Sign in or Sign up in seconds to unlock everything for free
1
Mastering in Nutritional Biology
Tralalalala Slight Smile

Related Topics

killian Author
wrote...
Silver Member
9 years ago
Thanks again, this is for my astronomy class
Smiling Face with Open Mouth
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  924 People Browsing
Related Images
  
 437
  
 753
  
 302