Isolated Main-Sequence Stars as Massive as 10 to 12 Times

question 70

Multiple Choice

Isolated main-sequence stars as massive as 10 to 12 times the mass of the Sun may still manage to avoid going supernova. Why?

• A) Because they can also have strong stellar winds
• B) Because about half that mass will be contained in the carbon core
• C) Because they would be classified as brown dwarfs
• D) Because these stars will eject at least 4 solar masses in the planetary nebula stage
• E) Because their masses will decrease as they fuse heavy elements into lighter elements in their cores

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Definitions:

Sensory Neuron

Neuron that is activated when its receptor endings detect a specific stimulus, such as light or pressure.

Motor Neuron

A type of neuron responsible for conveying signals from the central nervous system to muscles, eliciting movement.

Clusters

Groups or collections of similar objects or entities that are positioned closely together.

Neuron Cell Bodies

The part of a neuron (nerve cell) that contains the cell nucleus and other organelles, serving as the processing unit of the neuron.