How Is the Spectrum of a Bright-Line Emission Spectrum Changed

question 59

Multiple Choice

How is the spectrum of a bright-line emission spectrum changed from a cloud of interstellar gas that is moving away as opposed to a stationary one relative to us?

• A) The bright lines will be shifted toward the blue part of the spectrum.
• B) The emission spectrum would be turned into an absorption spectrum.
• C) The bright lines will be shifted toward the red part of the spectrum.
• D) Some bright lines would shift toward the red part of the spectrum and some would shift toward the blue part of the spectrum.

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Definitions:

Leverage

The use of various financial instruments or borrowed money to increase the potential return of an investment.

Linear Model

A mathematical representation of a relationship between two or more variables where the effect is proportional to the cause.

Labeled Points

Points in a dataset that are annotated with additional information, such as a category or label, useful in supervised machine learning.

Data

Information collected for reference or analysis, often in the form of numbers, text, or images.