All Stars on the Main Sequence

question 61

Multiple Choice

All stars on the main sequence

• A) generate energy by hydrogen fusion in their centers.
• B) have approximately the same age, to within a few million years.
• C) are changing slowly in size, by gravitational contraction.
• D) are at a late stage of evolution, after the red giant stage.

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Definitions:

Framing Effects

How people's decisions and perceptions can be influenced by how information is presented to them or framed.

Framing

The process of constructing the perspective or viewpoint from which a narrative, problem, or situation is perceived and interpreted.

Loss Averse

A psychological phenomenon where individuals prefer avoiding losses over acquiring equivalent gains, emphasizing the idea that losses are more impactful on an individual's emotional state than an equal amount of gain.

Making a Decision

The cognitive process of selecting a course of action from among multiple alternatives, often involving weighing the risks and benefits of different options.