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Home Q & A Board Laboratory Help Introductory Courses
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datexy datexy
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11 years ago
The spectral line of hydrogen producing the quasar absorption lines in most studies has a laboratory wavelength of 122 nm. If a hydrogen cloud is at a distance of 1 billion light-years,
a. use Hubble's Law to find the recession velocity of this cloud.
b. What is the redshift of the cloud?
c. At what wavelength will the absorption occur?
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michal.levymichal.levy
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11 years ago
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