What Is the "Cosmological Constant

question 29

Multiple Choice

What is the "cosmological constant?"

• A)The universe has existed forever and on the average (over billions of cubic light years)does not change.
• B)This is the ratio between "dark energy" and "dark matter."
• C)This is a quantity also referred to as "quintessence."
• D)This is a self-admitted blunder in his theory of general relativity by Einstein,that might not be a blunder after all.

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Definitions:

Free Riders

Individuals or entities that benefit from resources, goods, or services without paying for them or contributing to their provision.

Production Costs

The expenses incurred in the manufacture of goods or services, including raw materials, labor, and overhead costs.

Benefit

An advantage or gain received from a product or service.

Nonrival-in-consumption

Nonrival-in-consumption describes a good or service that can be consumed by multiple people simultaneously without reducing its availability to others.