What Happens to the Helium-Rich Core of a Star After

question 317

Multiple Choice

What happens to the helium-rich core of a star after the core runs out of hydrogen?

• A) The core cools down and contracts.
• B) The core expands and cools down.
• C) The core heats up and expands.
• D) The core contracts and heats up.

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Definitions:

Subliminal Perception

The processing of information by the brain that occurs below the level of conscious awareness.

Cochlea

A spiral-shaped, fluid-filled inner ear structure critical for converting sound vibrations into electrical signals interpreted by the brain as sound.

Membrane

A thin layer of tissue that surrounds or lines cells, organs, and other structures within the body, acting as a barrier to control the passage of substances.

Pain

A distressing feeling often caused by intense or damaging stimuli, and is both a physical sensation and an emotional experience.