What Does Hubble's Law Tell Us

question 126

Multiple Choice

What does Hubble's law tell us?

• A)For every force, there is an equal and opposite reaction force.
• B)The faster a spiral galaxy's rotation speed, the more luminous it is.
• C)The more distant a galaxy, the faster it is moving away from us.
• D)The longer the period of a Cepheid variable, the greater its luminosity.

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Definitions:

Common Stock

A type of security that represents ownership in a corporation, entitling the shareholder to a proportion of the corporation's assets and profits.

Depreciation

The systematic allocation of the cost of an asset over its useful life.

Net Income

The total revenue of a company minus its expenses, taxes, and the cost of goods sold, indicating the company's profit.

Accumulated Depreciation

The total amount of depreciation expense that has been recorded for an asset since it was put into use.