After Studying an Exoplanet System Carefully, Astronomers Determine That the Intervals

question 22

Multiple Choice

After studying an exoplanet system carefully, astronomers determine that the intervals between the transits of a given exoplanet vary in a complex fashion. This most likely indicates that the system

• A) has an exoplanet with a thick atmosphere.
• B) is actually a binary star.
• C) has multiple exoplanets.
• D) has an exoplanet with a ring system.

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Definitions:

Market Economy

An economic system in which production and prices are determined by unrestricted competition between privately owned businesses.

Karl Marx

A 19th-century philosopher, economist, and political theorist known for his critical analysis of capitalism and his contributions to the foundation of socialism and communism.

Communist Countries

Nations that practice communism, a political and economic ideology characterized by the collective ownership of property and the organization of labor for the common advantage of all members.

Soviet Union

The Soviet Union, officially the Union of Soviet Socialist Republics (USSR), was a socialist state in Eurasia that existed from 1922 to 1991.