How Is the Age of the Galaxy Determined

question 112

Multiple Choice

How is the age of the galaxy determined

• A)measuring the metallicity of Population II stars
• B)finding the turnoff point in the H-R diagram of globular clusters
• C)from the motion of stars in the galactic halo
• D)counting the number of open clusters in the spiral arms

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Definitions:

Genetic Role

The function or influence of genes in determining the physical and behavioral traits of an organism, highlighting the biological aspect of inheritance.

Sexual Orientation

Sexual orientation is an enduring pattern of emotional, romantic, or sexual attractions to men, women, or both sexes. It also refers to a person's sense of identity based on those attractions, related behaviors, and membership in a community of others who share those attractions.

Severe Stress

Severe Stress refers to an extreme level of psychological tension or discomfort, often resulting from adverse or very demanding circumstances, which can overwhelm an individual's ability to cope.

Homosexual

Homosexual describes an individual who is emotionally, romantically, or sexually attracted to members of the same gender.