In the Ptolemaic model, Mercury and Venus had to be treated ...

[mpobi80]

In the Ptolemaic model, Mercury and Venus had to be treated differently from the rest of the planets: Their epicycles had to remain centered on the Earth-Sun line.
 
  Indicate whether the statement is true or false

Question 2

If the distance from Earth to the Moon were doubled, the gravitational force between them would increase by a factor of 22, or 4.
 
  Indicate whether the statement is true or false

[jojobee318]

Answer to Question 1

True

Answer to Question 2

False

[mpobi80]

Thanks

[jojobee318]

Welcome