Imagine That the Expansion of the Universe Proceeds at a Constant

question 58

Multiple Choice

Imagine that the expansion of the Universe proceeds at a constant rate at later times.How will the redshift of a particular galaxy change?

• A) It will decrease.
• B) It will remain the same, because the light will spend more time traveling.
• C) It will remain the same, because all lengths expand by the same factor.
• D) It will increase.

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Definitions:

Sunk Cost

A cost that has already been incurred and cannot be recovered.

Contribution Format

An income statement format that separates fixed and variable costs, showing contribution margin which is sales revenue minus variable costs.

Contribution Margin

The amount by which sales revenue exceeds variable costs of production, indicating how much contributes to covering fixed costs.

Variable Expenses

Costs that vary in proportion to changes in the level of activity or volume of production.