Measuring the Red Shift or Blue Shift of Light from a Star

question 12

Multiple Choice

Measuring the red shift or blue shift of light from a star allows astronomers to calculate the ____ of that star.

• A) diameter
• B) mass
• C) relative velocity
• D) temperature

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Definitions:

Thresholds

Points or levels at which something starts or changes, often used in context with physiological or psychological responses.

Sensitivity Effects

The impacts on outcomes in a study due to variations in how sensitive measurements or instruments are to changes in the independent variable.

Signal-Detection Terms

Terms used in signal detection theory, a means to quantify the ability to discern between information-bearing patterns (signals) and random patterns that distract from the information (noise), in various fields like psychology and telecommunications.

Candidate

An individual who is being considered for a position, status, or undertaking, often in the context of elections or selection processes.