How Did Harlow Shapley Discover That Our Sun Is Not

question 29

Multiple Choice

How did Harlow Shapley discover that our Sun is not at the center of the galaxy?

• A)By detecting radio radiation from the galactic center
• B)By measuring the orbital speed of the Sun around the galactic center
• C)By determining the distribution of globular clusters
• D)By comparing our galaxy with the Andromeda galaxy

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Definitions:

Independent Variable

The variable in an experiment or study that is manipulated by the researcher to observe its effect on the dependent variable.

Research Design

A structured framework for conducting scientific studies, outlining methods for collecting, analyzing, and interpreting data.

Interaction Effect

The combined impact of two or more independent variables on a dependent variable that is beyond their individual effects.

Independent Variable

A variable that is manipulated or changed in an experiment to investigate its effects on the dependent variable.