The Radial Velocity of a Star or Other Object Is

question 112

Multiple Choice

The radial velocity of a star or other object is measured by

• A) measuring the change in the angular diameter of the object.
• B) watching the object move compared to the background stars.
• C) measuring the intensity of the light in different regions of the blackbody curve.
• D) observing the Doppler shift of spectral lines in the light from the object.

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Definitions:

Measurably Influence

To have an impact or effect on something in a way that can be quantitatively assessed or evaluated.

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The right to express one’s ideas and opinions freely through speech, writing, and other forms of communication without fear of censorship or retaliation.

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Opposition by employees to changes proposed by management, often due to fear of the unknown or perceived negative impacts.