Why Is the Universe Expanding

question 22

Multiple Choice

Why is the universe expanding?

• A) The energy from all the stars is heating the universe, making it expand like a gas that is heated.
• B) Spacetime itself is expanding, carrying the galaxies (or superclusters of galaxies) with it.
• C) The universe is not expanding-it is the Galaxy that is getting smaller, making the universe seem bigger and bigger.
• D) An infinitely dense clump of matter exploded, sending the galaxies (or superclusters of galaxies) hurtling out through space.

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Definitions:

Competitive Retail

Retail markets characterized by the presence of multiple sellers, leading to competitive pricing and variety for consumers.

Economic Value

The worth of a good or service determined by the benefit it provides to the buyer relative to its cost.

High Salaries

Compensation levels significantly above the average or median for similar roles or industries, often reflecting a high demand for specialized skills or experience.

Price Discrimination

The practice of charging different prices to different consumers for the same product or service, based on factors like willingness to pay, market segmentation, or geographical location.