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What Was the Implication of the Observation by Edwin Hubble

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What was the implication of the observation by Edwin Hubble that the Cepheid variable stars he measured in the Andromeda "nebula" appeared to be very faint compared with what was expected?


Definitions:

Visuals

Elements that are designed to be seen, such as photographs, charts, and diagrams, used to communicate information or ideas.

Primary Aspects

Fundamental elements or characteristics that are central to understanding or analyzing a subject or issue.

Area Chart

A type of graph that represents quantified values as areas under a line, often used to track changes over time.

Construction

The process of building or assembling infrastructure, buildings, or other physical structures from a design, involving various trades and materials.

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