What Defines a Comet as a Long-Period Comet

question 11

Multiple Choice

What defines a comet as a long-period comet?

• A) The comet makes only one pass near the Sun and then leaves the solar system forever.
• B) The comet falls in from the Oort cloud rather than from the Kuiper belt.
• C) The comet has a period longer than 1000 years.
• D) The comet has a period longer than 200 years.

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Definitions:

Marginal Social Cost

Marginal social cost is the total cost to society of producing one additional unit of a good or service, including both private costs and any externalities.

Common Resources

Resources that are accessible to all members of a society but are limited in availability and can be depleted by overuse.

Private Markets

Markets where transactions occur between private entities without significant government intervention, focusing on the exchange of goods and services among individuals and businesses.

Marginal Social Benefit

The additional benefit to society as a whole from increasing the output of a good by one unit.