If the Distance to the Nearest Star Is 4

question 55

Multiple Choice

If the distance to the nearest star is 4.2 light-years, then

• A)the star is 4.2 million AU away.
• B)the light we see left the star 4.2 years ago.
• C)the star must have formed 4.2 billion years ago.
• D)the star must be very young.
• E)the star must be very old.

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Definitions:

Openness to Experience

A personality trait that characterizes individuals who are open-minded, imaginative, curious about the world, and eager to explore new ideas and experiences.

Big Five Model

A theory in psychology that identifies five broad dimensions of personality: Openness, Conscientiousness, Extraversion, Agreeableness, and Neuroticism.

Neuroticism

A personality trait characterized by anxiety, fear, moodiness, worry, envy, frustration, jealousy, and loneliness.

Conscientiousness

A personality trait characterized by organization, dependability, and a strong sense of duty.