No Stars Are Expected with Masses Greater Than 150 Times

question 50

Multiple Choice

No stars are expected with masses greater than 150 times our Sun because

• A)they would fragment into binary stars because of their rapid rotation.
• B)they would generate so much power that they would blow themselves apart.
• C)they would be too massive for hydrogen fusion to occur in their cores.
• D)they would shine exclusively at X- ray wavelengths and would be difficult to detect.
• E)molecular clouds do not have enough material to form such massive stars.

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Definitions:

Pollution

The act of introducing harmful substances into the environment, leading to negative changes.

Marginal Social Cost

The cost to society of producing one additional unit of a good or service, considering both private costs and externalities.

Society

A group of individuals involved in persistent social interaction, or a large social group sharing the same geographical or social territory, typically subject to the same political authority and dominant cultural expectations.

Goods And Services

The outputs offered in an economy for consumption, where goods are physical items and services are activities performed for others.