« previous next »

Author Question: Cosmological Redshift refers to A) the expansion of space itself. B) the expansion of galaxies. ... (Read 49 times)

beccaep

  • Hero Member
  • *****
  • Posts: 535
on: Jul 29, 2018
Cosmological Redshift refers to
 
  A) the expansion of space itself.
  B) the expansion of galaxies.
  C) the expansion of red giants.
  D) the tendency of light to expand when free of gravitational influences.

Question 2

The redshift of a galaxy refers to the rate
 
  A) at which is receding.
  B) at which it is approaching.
  C) at which it is spinning.
  D) of its fusion.


Expo

  • Sr. Member
  • ****
  • Posts: 351
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

beccaep

  • Hero Member
  • *****
  • Posts: 535
Reply #2 on: Jul 29, 2018
Thank you!


Expo

  • Sr. Member
  • ****
  • Posts: 351
Reply #3 on: Jul 29, 2018
Always glad to help...


« previous next »
 

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Succession in the intertidal zone involves colonization and competition for limited space among spec Succession in the intertidal zone involves colonization and competition for limited space among spec
Russian federation stamp illustrating Yuri Gagarin, first human in space Russian federation stamp illustrating Yuri Gagarin, first human in space
Osteoporosis. (a) A section through normal spongy bone. (b) A section through a bone with osteoporos Osteoporosis. (a) A section through normal spongy bone. (b) A section through a bone with osteoporos
Space Junk Space Junk
Barred Spiral Galaxies Barred Spiral Galaxies
Creation of Spiral and Elliptical Galaxies Creation of Spiral and Elliptical Galaxies
Video: Proteins

For a complete list of videos, visit our video library