This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which of the following is a main criterion separating the three models of the Universe? A) The ... (Read 29 times)

jlmhmf

  • Hero Member
  • *****
  • Posts: 552
on: Jul 27, 2018
Which of the following is a main criterion separating the three models of the Universe?
 
  A) The size of the Universe
  B) The average density of the Universe
  C) The speed at which the Universe is expanding
  D) The age of the Universe

Question 2

The Hubble time is:
 
  A) the time remaining before the Universe stops expanding and begins to contract.
  B) the time it takes a galaxy moving at 1000 km/sec to move 1 Mpc.
  C) an estimate of the age of the Universe based on the Hubble constant.
  D) an estimate of the time it will take the Universe to double in size based on the Hubble constant.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

aloop

  • Sr. Member
  • ****
  • Posts: 315
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

C


jlmhmf

  • Member
  • Posts: 552
Reply 2 on: Jul 27, 2018
Excellent

cdmart10

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

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?

There are more bacteria in your mouth than there are people in the world.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Structure of the trachea, which extends from the larynx above to the main bronchi below. Structure of the trachea, which extends from the larynx above to the main bronchi below.
Main Facial Bones Main Facial Bones
Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones
Climate models the flow of mass and energy Climate models the flow of mass and energy
Main lymph nodes of the leg Main lymph nodes of the leg
MRE and RAO models of hominin migration. MRE and RAO models of hominin migration.
Video: Atrophy

For a complete list of videos, visit our video library