Suppose the Expansion of the Universe Has Been Slowing Since

question 129

Multiple Choice

Suppose the expansion of the universe has been slowing since the Big Bang,and the value H₀ is the Hubble constant that is appropriate to the universe today.What would this say about the age of the universe?

• A) The age should still be 1/H₀ = 13.7 billion years.
• B) The age would be less than 13.7 billion years.
• C) The age would be greater than 13.7 billion years.
• D) It is not possible to answer the question based only on this information.

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Definitions:

Freshwater

Water that has a low salt content, found in rivers, lakes, streams, and underground, essential for drinking, agriculture, and industry.

Saltwater

Water containing a significant concentration of salts, typically found in oceans and seas, as opposed to freshwater in lakes and rivers.

Diagram

A simplified drawing or plan that represents the components or workings of something, typically used to explain how it functions or is structured.

Freshwater

Water that has a low salt concentration, typically found in rivers, lakes, and streams, and essential for drinking, agriculture, and sanitation.