« previous next »

Author Question: Cosmological Redshift refers to A) the expansion of space itself. B) the expansion of galaxies. ... (Read 39 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?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

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

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.

Map of Mars from Hubble Space Telescope as seen near the 1999 opposition. (North top) Map of Mars from Hubble Space Telescope as seen near the 1999 opposition. (North top)
The urinary system: kidneys, ureters, bladder, and urethra with expanded view of a nephron and the u The urinary system: kidneys, ureters, bladder, and urethra with expanded view of a nephron and the u
Lumbar puncture. Abbreviated LP, the lumbar puncture is a common procedure that withdraws cerebrospi Lumbar puncture. Abbreviated LP, the lumbar puncture is a common procedure that withdraws cerebrospi
Space-Beach Wallpaper Space-Beach Wallpaper
Interacting and Colliding Galaxies Interacting and Colliding Galaxies
Joseph Moore and His Family (1839), by Erastus Salisbury Field, reflects the emerging middle-class f Joseph Moore and His Family (1839), by Erastus Salisbury Field, reflects the emerging middle-class f
Video: Atrophy

For a complete list of videos, visit our video library