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 35 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
Thanks for the timely response, appreciate it

  • Member
  • Posts:
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

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

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?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

The Number of Children Americans Think Are Ideal The Number of Children Americans Think Are Ideal
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
How to combine approximate and exact numbers when considering significant digits How to combine approximate and exact numbers when considering significant digits
For the circuit in Figure 1, assume ideal diodes. The peak inverse voltage is approximately For the circuit in Figure 1, assume ideal diodes. The peak inverse voltage is approximately
Video: Glomerular filtrate rate: pressures that affect GFR, NFP & GFR and blood composition

For a complete list of videos, visit our video library