Author Question: Cosmological Redshift refers to A) the expansion of space itself. B) the expansion of galaxies. ... (Read 59 times)

beccaep

  • Hero Member
  • *****
  • Posts: 535
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
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

Expo

  • Sr. Member
  • ****
  • Posts: 351

 

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

For a complete list of videos, visit our video library