Because of the cosmological expansion, a particular emission from a distant galaxy has a wavelength that is
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Because of the cosmological expansion, a particular emission from a distant galaxy has a wavelength that is 2.00 times the wavelength that emission would have in a laboratory. Assuming that Hubble's law holds and that we can apply Doppler-shift calculations, what was the distance (l y) to that galaxy when the light was emitted?
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Since 220 1 B 1B 7 220 1B 1B 2 the spe...View the full answer
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Related Book For 
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
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