Urgently solution required for this question i) A spectral line in the spectrum of nebula light has a wavelength of 656 nm instead of the 434 nm measured from Earth. If the movement of nebula is radial, find its speed relative to the Earth? (ii) A cloud of ionized calcium atoms produces absorption at 320 nm for a galaxy at rest with respect to the Earth. For the galaxy Hydra, which is 200 million ly away, this absorption is shifted to 450 nm. How fast is Hydra moving away from the Earth?
Urgently solution required for this question i) A spectral line in the spectrum of nebula light has a wavelength of 656 nm instead of the 434 nm measured from Earth. If the movement of nebula is radial, find its speed relative to the Earth? (ii) A cloud of ionized calcium atoms produces absorption at 320 nm for a galaxy at rest with respect to the Earth. For the galaxy Hydra, which is 200 million ly away, this absorption is shifted to 450 nm. How fast is Hydra moving away from the Earth?
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Transcribed Image Text:Urgently solution required for this question
i) A spectral line in the spectrum of nebula light has a wavelength of 656 nm instead of the 434 nm
measured from Earth. If the movement of nebula is radial, find its speed relative to the Earth?
(ii) A cloud of ionized calcium atoms produces absorption at 320 nm for a galaxy at rest with respect
to the Earth. For the galaxy Hydra, which is 200 million ly away, this absorption is shifted to 450
nm. How fast is Hydra moving away from the Earth?
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