Structure Formation in the Universe Proceeds Hierarchically, Meaning That

question 46

Multiple Choice

Structure formation in the universe proceeds hierarchically, meaning that

• A) large objects collapse and then fragment to form smaller objects.
• B) large objects form at the same times as smaller objects.
• C) small objects collapse and then merge to form larger objects.
• D) only small objects form and are stable over time.
• E) normal matter collapses first and dark matter collapses later.

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Definitions:

Range

The difference between the highest and lowest values in a data set, indicating the span of data points.

Standard Deviation

A measure of the dispersion or variability within a set of numerical data, indicating how spread out the values are from the mean.

Variance

A statistical measure of the dispersion representing how much the data points in a data set diverge from the mean value.

Mean

The arithmetic average of a set of numbers, calculated by adding them all together and dividing by the number of numbers.