Why Are Massive Main Sequence Stars Not Likely to Have

question 52

Multiple Choice

Why are massive main sequence stars not likely to have planets that contain life?

• A)These stars would sweep away all of the material from which planets could form.
• B)These stars are too hot to allow water to exist as a liquid on any planets that might form.
• C)These stars are on the main sequence for too short a time to allow life to evolve.
• D)These stars are almost always binaries and planetary orbits are unstable around binaries.

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Definitions:

American Behaviorism

A school of psychology that focuses on observable behaviors and disregards mental processes.

John B. Watson

An American psychologist who is considered one of the founders of behaviorism, emphasizing the study of observable behavior.

Stimulus Generalization

The tendency for the conditioned response to be evoked by stimuli that are similar to the stimulus used during the original conditioning.

Conditioned Fear

A learned response to a previously neutral stimulus that has been repeatedly paired with an aversive stimulus, leading to an anticipatory fear response.