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

Author Question: In the late 1990's, it was announced that the expansion of the Universe is accelerating. What does ... (Read 25 times)

rosent76

  • Hero Member
  • *****
  • Posts: 516
In the late 1990's, it was announced that the expansion of the Universe is accelerating. What does this imply from the perspective of the big bang?
 
  a. A force exists that we knew nothing about that causes the acceleration.
  b. The Universe must be closed.
  c. The Universe is finite.
  d. The amount of dark matter must be greatly less than the amount of normal matter.
  e. The Universe must be infinitely old.

Question 2

A nova is a new star.
 
  a. True
  b. False
  Indicate whether the statement is true or false



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jointhecircus

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

a

Answer to Question 2

False





 

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

For a complete list of videos, visit our video library