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

Author Question: What do peculiar velocities reveal? A) the amount of dark matter in a galaxy B) the distribution ... (Read 14 times)

JMatthes

  • Hero Member
  • *****
  • Posts: 578
What do peculiar velocities reveal?
 
  A) the amount of dark matter in a galaxy
  B) the distribution of dark matter in large-scale structures
  C) the composition of dark matter
  D) the error in our observations of Hubble's law
  E) the critical density of the universe

Question 2

What are peculiar velocities?
 
  A) velocities perpendicular to our line of sight
  B) velocities directly along our line of sight
  C) velocities that we cannot explain by only the force of gravity
  D) velocities caused by the expansion of the universe
  E) velocities of distant objects that are not caused by the expansion of the universe



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fffftttt

  • Sr. Member
  • ****
  • Posts: 322
Answer to Question 1

B

Answer to Question 2

E




JMatthes

  • Member
  • Posts: 578
Reply 2 on: Jul 27, 2018
Wow, this really help


ecabral0

  • Member
  • Posts: 310
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

For a complete list of videos, visit our video library