The Sun Contains a Lot of Hot Gas,so Why Do

question 118

Multiple Choice

The Sun contains a lot of hot gas,so why do we observe an absorption spectrum rather than an emission spectrum from it?

• A)The ionized gas in the photosphere emits a continuous spectrum, which the chromosphere changes into an absorption spectrum.
• B)The ionized gas in the photosphere emits an absorption spectrum.
• C)The Sun's photosphere is cooler than the layers below it.
• D)The Sun's photosphere is hotter than the layers below it.

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Definitions:

Logarithm

The power to which a base, usually 10 or e, must be raised to produce a given number.

Vertical Asymptote

A vertical line that a graph approaches but never touches or crosses, indicating that the function approaches infinity or negative infinity as it gets close to the line.

Domain

In mathematics, it refers to all possible values of the independent variable of a function.

Logarithm

The exponent by which a base must be raised to produce a given number.