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 52 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
Gracias!


diana chang

  • Member
  • Posts: 288
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

For a complete list of videos, visit our video library