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 28 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
Great answer, keep it coming :)


mcabuhat

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Excellent

 

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

For a complete list of videos, visit our video library