Scientists Have Found Many Stars in the Outer Halo That

question 21

Multiple Choice

Scientists have found many stars in the outer halo that ________ the rotation of the galactic disk and have a very ________ fraction of heavy elements.

• A) move in a direction opposite to; high
• B) move in a direction opposite to; low
• C) move in the same direction as; high
• D) move in the same direction as; low
• E) don't move at all with respect to; low

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Definitions:

Arousal

A state of heightened physiological and psychological activity.

Narcissistic Personality Disorder

A mental disorder characterized by a long-term pattern of exaggerated self-importance, the need for admiration, and a lack of empathy for others.

Self-Importance

The exaggerated estimation of one's own significance or importance.

Preoccupied

Engrossed in thought or absorbed by a specific subject or concern, often to the extent of being unaware of one's surroundings.