What Is the Approximate Age of the Star Cluster in the HR

question 90

Multiple Choice

What is the approximate age of the star cluster in the HR diagram below? (Hint: Main Sequence Stars of spectral between types A and B core supply of hydrogen is sufficient to last about 250 million years. Between A and F about 2 billion years. Type G about 10 billion years. Between K and M about 30 billion years..)

• A) 200 million years
• B) 2 billion years
• C) 10 billion years
• D) 30 billion years
• E) The age of the cluster can not be estimated from an HR diagram of the cluster.

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Definitions:

Paranoid Personality Disorder

A mental condition characterized by a long-term pattern of distrust and suspicion of others, without sufficient basis.

Schizoid

Pertaining to a personality disorder characterized by a long-term pattern of detachment from social relationships and a limited range of emotional expression.

Antisocial Personality Disorder

A mental disorder where a person consistently shows no regard for right and wrong and ignores the rights and feelings of others.

Punishment

The imposition of an undesirable or unpleasant outcome upon an individual or group, with the aim of decreasing or preventing a specific behavior.