Having nothing to do with trigonometry, ________ parallaxes use the width of absorption lines to estimate the star’s luminosity and size and distance.
Question
Having nothing to do with trigonometry, ________ parallaxes use the width of absorption lines to estimate the star’s luminosity and size and distance. – Q/A (Question and Answer)
Test Answer
Answer:
spectroscopic
Recource Test Questions on Astronomy Chapter 17
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