Which of These Is NOT a Valid Reason to Believe

question 110

Multiple Choice

Which of these is NOT a valid reason to believe that the outer satellites of Jupiter are captured planetesimals?

• A) There was not enough material in the primordial nebula around Jupiter to form the large Galilean satellites as well as the 60 or so outer satellites. So, they must have been captured.
• B) The outer satellites are irregular in shape.
• C) The outer satellites are all less than 275 km in diameter.
• D) The outer satellites are mostly in retrograde orbits.

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Definitions:

Private Cost

Private cost is the cost incurred by an individual or company in producing goods or services, excluding externalities.

External Benefit

A positive effect of a transaction or activity on a third party who did not choose to incur that benefit.

Externalities

Financial implications or effects that influence bystander third parties and may be either beneficial or harmful.

Incentives

Factors that motivate or encourage individuals to perform actions or make decisions.