Astronomers Know the Universe Is Expanding Because

question 85

Multiple Choice

Astronomers know the universe is expanding because:

• A)everything is moving away from us.
• B)all stars are moving away from us.
• C)most galaxies are moving away from us.
• D)galaxies farther away are moving away from us faster.
• E)there is a cosmic microwave background.

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Definitions:

Self-Actualizing

The realization or fulfillment of one's talents and potentialities, especially considered as a drive or need present in everyone.

Self-Determination Theory

A theory of motivation that emphasizes the role of intrinsic and extrinsic motivation in driving human behavior and the importance of autonomy, competence, and relatedness.

External Rewards

Incentives or benefits provided by external sources, such as money, praise, or recognition, that motivate individuals to perform certain actions.

Exciting Work

Employment or tasks that stimulate enthusiasm and interest, often because of novelty, variability, or the challenge they present.