When We Look Out into the Universe,far Beyond the Edges

question 54

Multiple Choice

When we look out into the universe,far beyond the edges of our own local group of galaxies,we see objects traveling away from us equally in all directions.This shows that

• A) the expansion must be the same everywhere in the universe,as we are not likely to be at the exact center of the universe.
• B) we are at the exact center of the expanding universe.
• C) there is absorbing matter distributed uniformly throughout the universe,which limits our view of the expansion.
• D) we are at the very edge of the expanding universe.

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Definitions:

Graphic Arts

The arts of drawing, engraving, or printing on flat surfaces.

One-Factor Design

A type of experimental design where only one independent variable is manipulated to observe its effect on a dependent variable.

Independent Variable

The factor or condition that researchers manipulate in an experiment to explore its impact on a dependent variable.

Dependent Variable

In research and experiments, it is the outcome factor that is measured to see if it changes as a result of the manipulation of the independent variable.