In a Collision Between Clusters of Galaxies, What Happens to the Hot

question 16

Multiple Choice

In a collision between clusters of galaxies, what happens to the hot gas and dark matter,based on observations of the "bullet cluster"?

• A)The gas stays with the luminous matter, but the dark matter moves on.
• B)The dark matter stays with the luminous matter, but the gas moves on.
• C)Both the dark matter and gas continue their motion, leaving behind the luminous portions ofthe galaxies.
• D)The luminous matter moves on, leaving behind the dark matter and gas.
• E)The dark matter moves with the luminous matter, leaving behind the gas.

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Definitions:

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The process by which an individual defines their own identity or affiliations without necessarily conforming to externally imposed categories.

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