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

Author Question: The idea of inflation makes one clear prediction that, until the discovery of an accelerating ... (Read 70 times)

rosent76

  • Hero Member
  • *****
  • Posts: 516
The idea of inflation makes one clear prediction that, until the discovery of an accelerating expansion, seemed to contradict the available observations. What is this prediction?
 
  A) Inflation predicts that the early universe should have regions of enhanced density that could have acted as seeds for the formation of galaxies and large structures.
  B) The universe should be geometrically flat (in the four dimensions of spacetime).
  C) Inflation predicts that the temperature of the cosmic microwave background should be almost (but not exactly) the same everywhere.
  D) Inflation predicts that the entire universe must be far larger than the observable universe.

Question 2

The mass of a neutrino is
 
  A) equal to the mass of an electron.
  B) equal to the mass of a proton.
  C) equal to the mass of a neutron.
  D) less than the mass of an electron but its actual value is unknown.
  E) zero.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Hikerman221

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

B

Answer to Question 2

D





 

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

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?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

For a complete list of videos, visit our video library