While the Copernican model was simpler than Ptolemy's, it was no ...

[ap345]

While the Copernican model was simpler than Ptolemy's, it was no more accurate in predicting planetary behavior at first. How did Kepler improve it?
 
  What will be an ideal response?

Question 2

What is a shock wave?
 
  A) a pressure wave that moves slower than the speed of sound
  B) a pressure wave that moves faster than the speed of sound
  C) an electromagnetic wave that can create electrical shocks
  D) an electromagnetic wave created when electrons recombine with protons
  E) a pressure wave that moves faster than the speed of light

[livaneabi]

Answer to Question 1

Like Ptolemy, Copernicus believed all orbits to be perfectly circular; Kepler's ellipses, combined with the heliocentric model, made planetary motion much more predictable.

Answer to Question 2

B

[ap345]

Thanks

[livaneabi]

Welcome