One Key Difference That Astronomers Use to Distinguish Between Brown

question 16

Multiple Choice

One key difference that astronomers use to distinguish between brown dwarfs and high-mass planets is that:

• A) brown dwarfs are all much larger in diameter than any planets
• B) brown dwarfs shine quite brightly in visible light, while planets are only visible from the light they reflect
• C) brown dwarfs are able to do deuterium fusion in their cores, while planets can't
• D) brown dwarfs are much lower in mass than planets like Jupiter
• E) brown dwarfs have a much lower luminosity than any planets
• Section 17.4: Using Spectra to Measure Stellar Radius, Composition, and Motion

---

Definitions:

Tax

An obligatory fiscal contribution or alternative form of charge enforced by a government body on taxpayers to support government activities and public spending.

Demand Function

A mathematical representation showing the relationship between product demand and various factors like price, income, and preferences.

Supply Function

A relation that shows the quantity of a good or service that producers are willing and able to sell at each possible price, holding all other factors constant.

Equilibrium Quantity

The quantity of a good or service at which supply equals demand, and the market is in balance, without any excess supply or shortage.