The "Zero-Age Main Sequence" Describes the Sequence of Stars in the Hertzsprung-Russell

question 102

Multiple Choice

The "zero-age main sequence" describes the sequence of stars in the Hertzsprung-Russell diagram that

• A) contain no processed elements (elements heavier than hydrogen or helium).
• B) are just beginning to convert helium into carbon in their cores.
• C) have just collapsed from the interstellar medium.
• D) have just become stable objects.

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Definitions:

Occipital Lobes

Located at the back of the head, this brain region is in charge of handling visual information.

Right Frontal Lobe

The right-hand portion of the frontal lobe of the brain, involved in tasks associated with creativity, imagination, and social awareness.

Occipital Lobes

The region of the brain that is primarily responsible for visual processing.

Seeing Stars

A colloquial term often used to describe the visual phenomenon experienced after a sudden impact to the head, characterized by seeing flashing lights.