If One Were to Observe Neptune a Quarter of a Billion

question 183

Multiple Choice

If one were to observe Neptune a quarter of a billion years in the future, what significant change would be seen?

• A) The planet would have shrunk considerably as gravity continues to compress it.
• B) Triton would be gone and the ring system would be considerably enhanced.
• C) Triton's retrograde orbit would have become prograde.
• D) The rings will have disappeared.

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Definitions:

Opportunity Cost

The cost of foregoing the next best alternative when making a decision or choosing between two or more options.

Truck

A motor vehicle designed to transport cargo, with various types and sizes for different load capacities.

Car

A wheeled motor vehicle used for transportation, typically carrying a few passengers.

Opportunity Cost

The cost of forgone alternatives, or the benefits that could have been received by choosing the next best alternative.