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

Author Question: The Ptolemaic model of the universe: A) explained and predicted the motions of the planets with ... (Read 85 times)

segrsyd

  • Hero Member
  • *****
  • Posts: 530
The Ptolemaic model of the universe:
 
  A) explained and predicted the motions of the planets with deferents and epicycles.
  B) is the basis of our modern cosmology.
  C) could not account for the stellar parallax observed by Hipparchus.
  D) describes the orbits of the planets as being ellipses, not circles.
  E) always kept Mars and Mercury between the Earth and Sun.

Question 2

The energy radiated from a typical quasar requires that its black hole accrete about:
 
  A) 1 solar mass per 100 years.
  B) 1 solar mass per 10,000 years.
  C) 1 Jupiter mass per year.
  D) 10 solar masses per year.
  E) 1,000 solar masses per year.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mceravolo

  • Sr. Member
  • ****
  • Posts: 349
Answer to Question 1

A

Answer to Question 2

D




segrsyd

  • Member
  • Posts: 530
Reply 2 on: Jul 27, 2018
Excellent


jamesnevil303

  • Member
  • Posts: 337
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

For a complete list of videos, visit our video library