Edwin Hubble Developed a Classification Scheme for Galaxies

question 30

Multiple Choice

Edwin Hubble developed a classification scheme for galaxies. By what characteristic did he classify galaxies?

• A) their brightness
• B) their overall color
• C) their shape
• D) their abundance of the element iron
• E) their Doppler Shift

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Definitions:

Human Capital

The stock of knowledge, habits, social and personality attributes, including creativity, embodied in the ability to perform labor so as to produce economic value.

Personal Prejudice

An unfounded or irrational bias towards individuals or groups based on characteristics such as race, gender, religion, or sexual orientation.

Demand for Plumbers

The need or desire for plumbing services in a market, which can vary based on factors like housing development and maintenance requirements.

Construction

The process or industry involved in assembling infrastructure or building structures from individual components.