In the Self-Propagating Star Formation Theory

question 54

Multiple Choice

In the self-propagating star formation theory,

• A) spiral arms are formed and sustained primarily by the actions of solar mass stars because there are so many more solar mass stars than high-mass stars.
• B) spiral arms are poorly defined because they are formed and sustained primarily by the actions of short-lived massive stars.
• C) the passage of dust clouds through the spiral arms triggers star formation.
• D) spiral structure results with thin,well-defined arms.

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Definitions:

Price

The amount of money required to purchase a good or service, reflecting its value in a market economy.

Endowment

The total resources available to an individual or entity, including income, assets, and wealth.

Consumption

The process by which goods and services are used up by consumers, reflecting a part of the economy concerned with spending on final goods and services.

Price Change

A variation in the cost of a good or service over time, which can increase (price rise) or decrease (price fall), affecting demand and supply dynamics.