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:

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A distinctive or prominent attribute or aspect of something that sets it apart from similar items.

Central Selling Point

The main feature or advantage of a product or service that is emphasized in marketing efforts to attract and convince customers.