According to Our Present Theory of Solar System Formation, Which

question 14

Multiple Choice

According to our present theory of solar system formation, which of the following statements about the growth of terrestrial and jovian planets is not true?

• A) The jovian planets began from planetesimals made only of ice, while the terrestrial planets began from planetesimals made only of rock and metal.
• B) Both types of planet begun with planetesimals growing through the process of accretion, but only the jovian planets were able to capture hydrogen and helium gas from the solar nebula.
• C) Swirling disks of gas, like the solar nebula in miniature, formed around the growing jovian planets but not around the growing terrestrial planets.
• D) The terrestrial planets formed inside the frost line of the solar nebula and the jovian planets formed beyond it.

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Definitions:

Fallacy

An erroneous argument or reasoning, often due to a misuse or misunderstanding of logic.

Antecedent

The first part of a conditional statement, the "if" part, upon which the consequent depends.

Pure Hypothetical

A speculative assumption or scenario, often used in reasoning, that is not grounded in known facts or current reality.

Categorical Syllogism

A form of reasoning consisting of three propositions: a major premise, a minor premise, and a conclusion, each of which may be categorized by being either affirmative or negative.