This topic contains a solution. Click here to go to the answer

Author Question: What is meant by a cosmological distance? What will be an ideal ... (Read 8 times)

Garrulous

  • Hero Member
  • *****
  • Posts: 686
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
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
Thanks for the timely response, appreciate it


ebonylittles

  • Member
  • Posts: 318
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

For a complete list of videos, visit our video library