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

Author Question: The discovery of the cosmic microwave background was important because A) its detection was a ... (Read 53 times)

tuffie

  • Hero Member
  • *****
  • Posts: 534
on: Jul 27, 2018
The discovery of the cosmic microwave background was important because
 
  A) its detection was a major advance in microwave testing.
  B) it was experimental verification of a prediction from the Big Bang theory.
  C) it showed the universe must be closed, with more than the critical density here.
  D) it established a firm center of the universe.
  E) it proved that astronomy at radio wavelengths was possible.

Question 2

What percentage of stars lie on the main sequence? Why?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kjo;oj

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

About 90 of all stars are still fusing hydrogen to helium in their cores.


tuffie

  • Member
  • Posts: 534
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

bitingbit

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Discovery of apoptosis in the adrenal cortex by Kerr, Wyllie, and Currie Discovery of apoptosis in the adrenal cortex by Kerr, Wyllie, and Currie
Experiment on newt embryos that led to the discovery of Spemann's organizer. Experiment on newt embryos that led to the discovery of Spemann's organizer.
This chart illustrates the “drip down” model of government. In this, politics is formed by the soc This chart illustrates the “drip down” model of government. In this, politics is formed by the soc
Respirator decision logic based on the EPA method. It is very important to know when to use supplied ... Respirator decision logic based on the EPA method. It is very important to know when to use supplied ...
Dad is important to me Dad is important to me
Video: Fermentation - When Oxygen Is Absent, Pyruvate to Lactate & Pyruvate to Ethanol

For a complete list of videos, visit our video library