What Evidence Do We Have That There Is Hidden Mass

question 16

Multiple Choice

What evidence do we have that there is hidden mass in the galaxy?

• A)Cool clouds of hydrogen
• B)RR Lyrae variable stars in globular clusters
• C)Non-Keplerian (flat)rotation curve at large radii
• D)Missing neutrinos from the Sun
• E)Dusty regions in the plane

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Definitions:

Trait Theorists

Psychologists who study personality, focusing on identifying and measuring the stable characteristics that make up individual personalities.

Behavior Tendencies

Predominant patterns or inclinations in an individual's actions or conduct, often shaped by past experiences and biological factors.

Unconscious

The part of the mind that contains thoughts, memories, and desires that are outside of conscious awareness but can still influence behavior.

Childhood Experiences

Events, interactions, and learnings that occur during the early years of life, shaping an individual's personality and behavior.