« previous next »

Author Question: Is the cosmological redshift really a velocity of a given galaxy? What will be an ideal ... (Read 29 times)

Awilson837

  • Hero Member
  • *****
  • Posts: 509
on: Jul 27, 2018
Is the cosmological redshift really a velocity of a given galaxy?
 
  What will be an ideal response?

Question 2

The unique feature of Neptune is:
 
  A) that its rotational axis is tilted 98 degrees.
  B) that it rotates in a retrograde sense.
  C) that its atmosphere rotates more slowly than its interior.
  D) that it has no ring system.
  E) its banded cloud surface.


xMRAZ

  • Sr. Member
  • ****
  • Posts: 363
Reply #1 on: Jul 27, 2018
Answer to Question 1

No, it is a measure of how fast the entire universe is expanding in spacetime, with the galaxy just taken along for the ride.

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Awilson837

  • Hero Member
  • *****
  • Posts: 509
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


xMRAZ

  • Sr. Member
  • ****
  • Posts: 363
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

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

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Spitzer Telescope Picture of a galaxy Spitzer Telescope Picture of a galaxy
Effect of substrate concentration on the initial velocity of an enzyme-catalyzed reaction Effect of substrate concentration on the initial velocity of an enzyme-catalyzed reaction
Illustration of the Milky Way galaxy, showing the location of the Sun Illustration of the Milky Way galaxy, showing the location of the Sun
Spiral Galaxy Messier 83 Spiral Galaxy Messier 83
Fornax Galaxy Cluster Fornax Galaxy Cluster
If y = 0.02 sin (30x - 400t) (SI units), the velocity of the wave is If y = 0.02 sin (30x - 400t) (SI units), the velocity of the wave is
Video: Nucleic acid digestion -small intestine

For a complete list of videos, visit our video library