A radiation known as Hy ( 434 1 nm) is used to determine the motion of distant galaxies The wavelength of Hy from a galaxy is 462 0 nm, as observed on Earth (a) What is the minimum speed of the galaxy relative to Earth (b) Is the galaxy moving away from (enter o) or approaching (enter 1) Earth I i...

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A radiation known as Hy (-434.1 nm) is used to determine the motion of distant galaxies....

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Fundamentals of Physics

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A radiation known as Hy (-434.1 nm) is used to determine the motion of distant galaxies....

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