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

Author Question: What is the cosmic microwave background, and why is it significant? What will be an ideal ... (Read 15 times)

dbose

  • Hero Member
  • *****
  • Posts: 597
on: Jul 27, 2018
What is the cosmic microwave background, and why is it significant?
 
  What will be an ideal response?

Question 2

Venus has a feature named Aphrodite Terra. What is this feature?
 
  A) a very large volcano
  B) a large impact crater
  C) a continental-sized plateau
  D) a large basin similar to the maria on the Moon
  E) a great rift valley like Valles Marineris on Mars


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

durant1234

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 27, 2018
Answer to Question 1

It is a 2.7 K universal blackbody background radiation, the same in all directions. It is the redshifted remnant of the intense radiation emitted in the Big Bang, now shifted all the way into the microwave region of the spectrum.

Answer to Question 2

C


dbose

  • Member
  • Posts: 597
Reply 2 on: Jul 27, 2018
:D TYSM

recede

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Excellent

« previous next »
 

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 immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

The size of the antlers play a significant role in establishing the hierarchy in the group The size of the antlers play a significant role in establishing the hierarchy in the group
Significant hash can be caused by faults in one or more cylinders, whereas amplified hash is not ... Significant hash can be caused by faults in one or more cylinders, whereas amplified hash is not ...
Clinically Significant Drug-Drug Interactions in Dentistry Clinically Significant Drug-Drug Interactions in Dentistry
Clinically Significant Drug-Drug Interactions in Dentistry Clinically Significant Drug-Drug Interactions in Dentistry
Clinically Significant Drug-Disease Interactions in Dentistry Clinically Significant Drug-Disease Interactions in Dentistry
Video: Miller's reaction chamber experiment Animation

For a complete list of videos, visit our video library