What Perception of the Milky Way Galaxy Did Astronomers Have

question 28

Multiple Choice

What perception of the Milky Way Galaxy did astronomers have in 1900?

• A) They believed that the Earth rested inside concentric spheres, with the Milky Way stars fixed to the outermost sphere.
• B) They believed that the Milky Way was one of billions of galaxies in the universe.
• C) They believed that the Milky Way was the entire universe.
• D) They believed that, because the Sun was at the center of the Milky Way, it was impossible to see the rest of the universe.
• E) They believed we were one of billions galaxies in an expanding universe.

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Definitions:

Fish Traps

Engineered structures placed in aquatic environments designed to trap fish or other aquatic animals.

Microliths

Small stone tools, typically made by prehistoric peoples, used as spear points or in other sharp implements.

Flint

A hard, sedimentary cryptocrystalline form of the mineral quartz, historically used to make tools and weapons due to its ability to be chipped into sharp edges.

Farming Populations

Communities or groups of people primarily engaged in agricultural activities and the cultivation of food and crops.