In the Early Universe, Why Were Inhomogeneities in the Distribution

question 68

Multiple Choice

In the early universe, why were inhomogeneities in the distribution of normal matter much smaller than inhomogeneities in the dark matter?

• A) Normal matter was pushed away by supernova explosions.
• B) Large-scale magnetic fields smoothed the distribution of charged particles in the normal matter but not in dark matter.
• C) Dark matter particles were more massive than and cooled off before normal matter, and so dark matter fluctuations had more time to grow.
• D) Dark matter was 10 times more massive than normal matter.
• E) Radiation pressure affected normal matter but not dark matter.

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Definitions:

Top-Down

A management approach where decisions and directions come from the upper levels of an organization to the lower levels.

Explicit Coercion

The use of direct force or threats to compel someone to act in a desired way against their will.

Implicit Coercion

A form of pressure or influence that is not explicitly stated but is understood or implied in interactions.

Risky

Involving or exposed to a high degree of uncertainty and the potential for loss or harm.