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apple321 apple321
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Which of the following describes the method of spectroscopic parallax?



Estimate the distance to a star using its apparent brightness and luminosity class.



Estimate the distance to a star using the amount that it moves relative to more distant stars over a year.



Measure the spectrum of a star using the amount that it moves relative to more distant stars over a year.



Measure the spectrum of a star using its apparent brightness and luminosity class.

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ASTRO

ASTRO


Edition: 3rd
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slpmslpm
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apple321 Author
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Thanks for your help!!
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Correct Slight Smile TY
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Good timing, thanks!
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