This topic contains a solution. Click here to go to the answer

Author Question: In Ptolemy's geocentric model, retrograde motion occurs when the planet is closest to us, on the ... (Read 69 times)

khang

  • Hero Member
  • *****
  • Posts: 569
In Ptolemy's geocentric model, retrograde motion occurs when the planet is closest to us, on the inside portion of the
 
  A) ellipse. B) epicycle. C) equant. D) ecliptic. E) deferent.

Question 2

All four ring systems lie around their planet's ________.
 
  Fill in the blank(s) with correct word



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Heffejeff

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

B

Answer to Question 2

equators





 

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

For a complete list of videos, visit our video library