The Redshift of the Galaxies Is Correctly Interpreted as

question 15

Multiple Choice

The redshift of the galaxies is correctly interpreted as

• A) the differences in temperatures and star formation in old and young galaxies.
• B) a Doppler shift due to the random motions of galaxies in space.
• C) an aging of light as gravity weakens with time.
• D) space itself is expanding with time, so the photons are stretched while they travel through space.
• E) placing our Galaxy near the center of the Local Group.

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Definitions:

Hierarchy of Effects

A model in marketing that outlines the sequential steps customers go through in the process of purchasing a product, from awareness to action.

Fourth Stage

In the context of product life cycle, this refers to the decline stage, where sales decrease and a product may be phased out.

Interest

Monetary charge for borrowing money or the return on investment capital.

Awareness

The degree to which consumers are familiar with the presence and characteristics of a product, brand, or issue.