Measuring the Doppler Shift of Material at Various Distances from the Center

question 38

Short Answer

Measuring the Doppler shift of material at various distances from the center of a galaxy can be used to construct a(n) ________________ for that galaxy.

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Definitions:

Random Variable

A variable whose values are outcomes of a random phenomenon and can vary unpredictably.

Independent

In statistics, two events are considered independent if the occurrence of one does not affect the probability of the other.

Standard Deviations

A measure of the amount of variation or dispersion of a set of values from the mean or average.

Independent

Free from external control or influence; not depending on another's authority or the occurrence of another variable in statistical contexts.