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

Author Question: The Ptolemaic model has planets moving in A) elliptical orbits about the Sun B) a simple circle ... (Read 84 times)

humphriesbr@me.com

  • Hero Member
  • *****
  • Posts: 550
The Ptolemaic model has planets moving in
 
  A) elliptical orbits about the Sun
  B) a simple circle about the Earth
  C) a simple circle about the Sun
  D) small circles, the centers of which move in a larger circle about the Earth

Question 2

The cosmological redshift is actually not a velocity at all, but a measure of the expansion of space-time.
 
  Indicate whether the statement is true or false



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

rosiehomeworddo

  • Sr. Member
  • ****
  • Posts: 306
Answer to Question 1

D

Answer to Question 2

TRUE




humphriesbr@me.com

  • Member
  • Posts: 550
Reply 2 on: Jul 27, 2018
:D TYSM


jojobee318

  • Member
  • Posts: 298
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

For a complete list of videos, visit our video library