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 20 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
Great answer, keep it coming :)

lindahyatt42

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Clinically Significant Drug-Food Interactions in Dentistry Clinically Significant Drug-Food Interactions in Dentistry
Clinically Significant Drug-Disease Interactions in Dentistry Clinically Significant Drug-Disease Interactions in Dentistry
How to count for the correct number of significant digits How to count for the correct number of significant digits
How to add, subtract, multiply, and divide using the rules of significant digits (Part 1) How to add, subtract, multiply, and divide using the rules of significant digits (Part 1)
Science Background Science Background
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 ...
Video: Body plan of euglena Animation

For a complete list of videos, visit our video library