The Shape of the Cross-Section of the Roche Lobes Around

question 221

Multiple Choice

The shape of the cross-section of the Roche lobes around a close binary star system, taken through the centers of both stars, is

• A) two ellipses that touch at the center of the lobes.
• B) a sphere centered on the center of mass of the star system.
• C) an ellipse with a star at each focus.
• D) a figure eight.

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Definitions:

Somatic Nervous

A component of the peripheral nervous system associated with the voluntary control of body movements via skeletal muscles.

Central Nervous System

The part of the nervous system that includes the brain and spinal cord, responsible for processing and sending out nerve signals.

Somatic Nervous System

A part of the peripheral nervous system responsible for voluntary movements of muscles and the reception of external stimuli.

Autonomic Nervous System

The part of the nervous system that controls involuntary bodily functions, including heart rate, digestion, and respiratory rate, consisting of the sympathetic and parasympathetic divisions.