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 68 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
Thanks for the timely response, appreciate it


debra928

  • Member
  • Posts: 342
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

For a complete list of videos, visit our video library