This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What is meant by a cosmological distance? What will be an ideal ... (Read 50 times)

Garrulous

  • Hero Member
  • *****
  • Posts: 686
on: Jul 27, 2018
What is meant by a cosmological distance?
 
  What will be an ideal response?

Question 2

What is true of a blackbody?
 
  A) If its temperature doubled, the peak in its radiation curve would be doubled in wavelength.
  B) Its energy peaks at the wavelength determined by its temperature.
  C) It has a complete absence of thermal energy.
  D) Its energy is not a continuum.
  E) It appears black to us, regardless of its temperature.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

brbarasa

  • Sr. Member
  • ****
  • Posts: 308
Reply #1 on: Jul 27, 2018
Answer to Question 1

A distance on the scale of the universe. An object at this distance will show an extremely large redshift.

Answer to Question 2

B


Garrulous

  • Member
  • Posts: 686
Reply 2 on: Jul 27, 2018
Excellent

brbarasa

  • Member
  • Posts: 308
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

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.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

The roles of transpiration, cohesion, adhesion, and tension in long-distance water transport. The roles of transpiration, cohesion, adhesion, and tension in long-distance water transport.
The Number of Children Americans Think Are Ideal The Number of Children Americans Think Are Ideal
The distance between the centerline of the main bearing journal and the centerline of the ... The distance between the centerline of the main bearing journal and the centerline of the ...
Torque is a twisting force equal to the distance from the pivot point times the force applied ... Torque is a twisting force equal to the distance from the pivot point times the force applied ...
Under ideal conditions, a single cell of the bacterium E. coli would divide every 20 minutes to ... Under ideal conditions, a single cell of the bacterium E. coli would divide every 20 minutes to ...
The relationship between recombination frequency and physical distance between genes The relationship between recombination frequency and physical distance between genes
Video: Mechanics of Sound Animation

For a complete list of videos, visit our video library