When Material Expanding Away from a Star in a Binary

question 136

Multiple Choice

When material expanding away from a star in a binary system reaches the edge of its Roche lobe,what happens?

• A)The material will start to fall back toward the star.
• B)All of the material will accrete on to the companion.
• C)The material will no longer be gravitationally bound to the star.
• D)The material will increase in temperature and eventually undergo thermonuclear fusion.

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Definitions:

Avoidance Response

A behavior aimed at preventing an unpleasant or harmful event before it occurs.

Imitate

To copy or mimic the actions, appearance, or speech of another person or thing, often to learn or practice a specific behavior or skill.

Aggressive Behavior

Actions intended to harm or intimidate others, which can be a response to a perceived threat or a means to assert dominance.

Passive Avoidance

A learning process in which an individual learns to refrain from certain behaviors to avoid a negative outcome.