If a Star Appears to Move Back and Forth Relative

question 89

Multiple Choice

If a star appears to move back and forth relative to other stars over a six-month period, thismotion is due to the star's:

• A)transverse motion.
• B)radial motion.
• C)parallax shift.
• D)Doppler shift.
• E)true space motion.

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Definitions:

Dependent Variable

The variable in an experiment that is measured or tested to see if it is affected by changes in another variable (the independent variable).

Number of Collisions

A measure often used in physics and engineering to quantify the frequency at which particles or objects hit each other within a specific area or system.

Real Cigarette

A traditional cigarette made with tobacco as opposed to electronic or synthetic alternatives.

Experimenter Bias

A process where the scientists performing the research influence the results, intentionally or unintentionally, in a direction consistent with their hypothesis.