In Discussing Galaxies and the Universe, Astronomers Often Talk About

question 198

Multiple Choice

In discussing galaxies and the universe, astronomers often talk about "voids." What are voids?

• A) large expanses of space between galaxies where there is essentially no gas or dust
• B) holes in some galaxies where a collision by another, smaller galaxy has removed the dust, gas, and stars in that region
• C) volumes of space hundreds of millions of light-years across that contain almost no galaxies
• D) regions in clusters of galaxies that seem to be devoid of matter

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Definitions:

Semiotics

is the study of signs and symbols and their use or interpretation.

Back Translation

The practice where a translated word or phrase is retranslated into the original language by a different interpreter to catch errors.

Symbolic Linguistics

The study of how language symbolizes and conveys meaning in human communication.

Cultural Symbols

Objects, signs, or emblems that carry particular meanings recognized only by members of a culture or society.