Two Competing Models of the Formation of Giant Gaseous Planets

question 96

Multiple Choice

Two competing models of the formation of giant gaseous planets suggest they form either from gas accreting onto a rocky core or from

• A) fragmentation of the accretion disk that surrounds the protostar.
• B) the merger of two large planetesimals.
• C) planets stolen from another nearby protostar.
• D) materials condensing out of the solar wind.
• E) an eruption of material from the protostar.

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Definitions:

Thomas Jefferson

The third President of the United States (1801-1809), principal author of the Declaration of Independence, and a founding figure in American history.

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A racial or ethnic group in the United States with ancestry traced to Africa, especially those of Sub-Saharan origin.

Economic Independence

The state of having sufficient personal wealth to live without the need to work for basic necessities, allowing for a self-sustaining lifestyle.

Treaty of Greenville

A 1795 agreement between the United States and Native American tribes in Ohio, marking the end of hostilities and opening up much of present-day Ohio to American settlement.