Virtually All the Carbon-Rich Dust in the Plane of the Galaxy

question 107

Multiple Choice

Virtually all the carbon-rich dust in the plane of the galaxy originated in:

• A)low-mass stars.
• B)high-mass stars.
• C)planetary nebulae.
• D)white dwarfs.
• E)brown dwarfs.

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Definitions:

Compounded Continuously

A method of calculating interest where the interest amount is constantly added to the principal, leading to exponential growth.

Annual Interest Rate

The percentage of a sum of money charged for its use per year.

Compounded Continuously

A way of calculating interest where the frequency of compounding is so high that it is effectively continuous, leading to exponential growth.

Exponential Equation

An equation in which a variable appears in the exponent, showing the rate of growth or decay.