If We Develop Spacecraft That Can Take Humans to Nearby

question 45

Multiple Choice

If we develop spacecraft that can take humans to nearby solar systems at a few percent of the speed of light,how long would it be before we could conceivably populate all habitable planets in the entire Milky Way?

• A)a few hundred thousand years
• B)a few million years
• C)a few hundreds of millions of years
• D)a few billion years
• E)We could never colonize the galaxy unless we had ships that could travel very close to the speed of light.

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Definitions:

Committee on Public Information

A government agency created during World War I to influence public opinion and promote support for the war through propaganda.

Debs's Piece

Refers to writings or speeches by Eugene V. Debs, an American socialist, political activist, trade unionist, and five times the candidate of the Socialist Party of America for President of the United States.

Great Migration

The movement of over six million African Americans from the rural Southern United States to urban areas in the North, Midwest, and West from approximately 1916 to 1970, seeking better job opportunities and living conditions.

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A foreign policy doctrine that emphasizes international cooperation, the promotion of democracy, and the use of international institutions to achieve peace and prosperity.