None of the Pulsars Emit Pulses of Visible Light Because

question 84

Multiple Choice

None of the pulsars emit pulses of visible light because

• A)pulsars are too hot to emit visible light.
• B)pulsars contain black holes that won't let visible light escape.
• C)the gravitational field of a pulsar is so great that the visible light emitted is redshifted.
• D)pulsars are too far away for the visible light to be bright enough to be detected at Earth.
• E)A few pulsars do emit visible light pulses.

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Definitions:

Main Effect

The overall impact of an independent variable on a dependent variable in an analysis, ignoring the effects of other independent variables.

F Tests

A class of statistical tests used to compare the variances of two or more samples to assess the equality of population variances.

Two-way ANOVA

A statistical test used to determine the effect of two nominal predictor variables on a continuous outcome variable, allowing for interactions between the factors to be analyzed.

Interaction Effect

The impact that the combination of variables has on a dependent variable, which is different from the effect of any single variable.