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 47 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

daiying98

  • Member
  • Posts: 354
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Taking off is one of the main times albatrosses use flapping to fly, and is the most energetically d Taking off is one of the main times albatrosses use flapping to fly, and is the most energetically d
Spider main organs Spider main organs
False-color imagery of the Sun, a G-type main-sequence star, the closest to Earth. False-color imagery of the Sun, a G-type main-sequence star, the closest to Earth.
Developmentally appropriate food models Developmentally appropriate food models
Possible Models for DNA Replication Possible Models for DNA Replication
Global OBD II can be accessed from the main menu on all aftermarket and some original equipment ... Global OBD II can be accessed from the main menu on all aftermarket and some original equipment ...
Video: Four Giant Convection Cells oF Earth

For a complete list of videos, visit our video library