If Light Takes 8 Minutes to Travel from the Sun

question 35

Multiple Choice

If light takes 8 minutes to travel from the Sun to Earth, and over 4 hours to travel from the Sun to the planet Neptune, what is the distance from the Sun to Neptune?

• A) 5 AU
• B) 30 AU
• C) 30 ly
• D) 5 ly

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Definitions:

Public Goods

Goods that are non-excludable and non-rivalrous, meaning they can be consumed by anyone and one person’s consumption doesn’t reduce availability to others.

Free-riders

Individuals who benefit from resources, goods, or services without paying for them, often seen in public goods and collective risk scenarios.

Private Markets

are markets where transactions are conducted directly between two parties without being publicly traded on an exchange.

Repeat-purchase Item

A good or service that consumers buy frequently or repeatedly over time, indicating loyalty or sustained need.