The Flatness Problem and Horizon Problem

question 47

Multiple Choice

The flatness problem and horizon problem

• A) are solved if there was a sudden inflation of the universe at time before recombination occurred.
• B) show that the universe can be described as static and unchanging.
• C) show that dark matter must be a small fraction of the total mass of the universe.
• D) imply that the universe was once much colder than it is now.
• E) imply that the inflationary theory is incorrect.

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Definitions:

Net Exports

The value of a country's total exports minus its total imports, representing the net effect of foreign trade on an economy's GDP.

National Income

National Income is the total value of all goods and services produced by a country over a specific period, reflecting the economic strength and standard of living in the country.

Real GDP

Gross Domestic Product adjusted for inflation, measuring the value of goods and services produced by a country.

Real GDP

The measure of a country's economic output adjusted for price changes and inflation, reflecting the real value of goods and services produced.