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Home Q & A Board Science-Related Homework Help Physics Astronomy
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Cwds613 Cwds613
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A month ago

The Hã line has a wavelength of 434.0 nm when observed in the laboratory. If the Hã line appears in the spectrum of a star moving away from you, at what wavelength will you observe the line?



▸

less than 434 nm



▸

434.0 nm



▸

greater than 434 nm



▸

the wavelength depends on the composition of the star

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ASTRO

ASTRO


Edition: 3rd
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revanchistrevanchist
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You make an excellent tutor!
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This site is awesome
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