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Home Q & A Board Science-Related Homework Help Physics
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staedtler staedtler
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7 years ago
What is the method of finding the distances to very distant stars that works for the largest number of stars?

(a)   Combining the star=s luminosity class, obtained from its spectrum, with its apparent magnitude, a technique known as spectroscopic parallax.
(b)   Measuring the change in position of the star as the Earth orbits the Sun, a technique known as trigonometric parallax.
(c)   Measuring the Doppler shift as the Earth moves alternately towards and away from the star over a year.
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Discovering the Universe

Discovering the Universe


Edition: 7th
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hyponoticahyponotica
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staedtler Author
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7 years ago
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