This topic contains a solution. Click here to go to the answer

Author Question: The simple Big Bang theory does not solve all of the problems that we observe (or hope to observe) ... (Read 28 times)

waynest

  • Hero Member
  • *****
  • Posts: 553
The simple Big Bang theory does not solve all of the problems that we observe (or hope to observe) in our universe. These problems include all of the following EXCEPT:
  a. the existence of magnetic monopoles.
  b. the explanation for the observed flatness of our universe.
  c. the explanation of the extreme homogeneity of direction of our universe.
  d. the explanation of why our universe appears to be expanding at an accelerating rate.
  e. the explanation of why the universe was so hot at the beginning and has cooled off.

Question 2

Which of the following statements is true about the very early universe (within the first three minutes)?
 
a. The electroweak force was the force believed to have first separated from the others.
  b. The entire first three minutes can be explained by applying a grand unified theory.
  c. Electrons only formed after the protons and neutrons.
  d. The end of the first three minutes signaled the first probable nucleosynthesis.
  e. By about 1 second, the universe was about half the present size.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

allisonblackmore

  • Sr. Member
  • ****
  • Posts: 330
Answer to Question 1

e.
The Big Bang does explain that the universe used to be very dense and therefore very hot. The expansion of the universe explains the cooling

Answer to Question 2

d.
By the end of the first three minutes, the universe had cooled enough for the nuclear strong force to take effect and nucleons bound together to form deuterons.




waynest

  • Member
  • Posts: 553
Reply 2 on: Jul 28, 2018
Wow, this really help


Liamb2179

  • Member
  • Posts: 365
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

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?

In 1864, the first barbiturate (barbituric acid) was synthesized.

For a complete list of videos, visit our video library