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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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A month ago
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