What Is Spectroscopic Parallax

question 95

Multiple Choice

What is spectroscopic parallax?

• A) apparent change in position of the absorption lines in a star's spectrum due to the Doppler shift caused by Earth's motion around the Sun
• B) apparent change in position of a nearby star compared with distant background stars due to the motion of Earth around the Sun
• C) change in position of the absorption lines in a star's spectrum due to the Doppler shift caused by the star's motion around the center of mass in a binary star system
• D) distance to a star measured using the spectral luminosity class of the star and the inverse-square law

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Definitions:

Acknowledgement

Recognition or acceptance of the truth or existence of something, often showing appreciation or confirmation.

Responsibility

A duty or obligation to satisfactorily perform or complete a task that one has accepted, or which is imposed by law, duty, or contractual agreement.

Reparation

Compensation or restitution for wrongs or damages, often discussed in the context of historical injustices.

Reconciliation

The act of restoring harmony or agreement between individuals or groups, especially after a conflict or dispute.