Redshift: A distant quasars has a redshift of z = 4.5. This means that the wavelength of spectral lines from the quasar will be 1 + z = 5 times the wavelength of the same lines as observed in the lab. For example, the 410 nm line of hydrogen will be red- shifted to a wavelength of 2255 nm. At what speed is such a quasar moving away from the Earth?
Redshift: A distant quasars has a redshift of z = 4.5. This means that the wavelength of spectral lines from the quasar will be 1 + z = 5 times the wavelength of the same lines as observed in the lab. For example, the 410 nm line of hydrogen will be red- shifted to a wavelength of 2255 nm. At what speed is such a quasar moving away from the Earth?
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Transcribed Image Text:Redshift: A distant quasars has a redshift of z = 4.5. This means that the wavelength of spectral lines from the quasar will be 1 + z = 5 times the wavelength of the same lines as observed in the lab. For example, the 410 nm line of hydrogen will be red-
shifted to a wavelength of 2255 nm.
At what speed is such a quasar moving away from the Earth?
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