Red shift

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Last updated 9:52 AM on 4/8/26
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red shift definition

observed increase in wavelength as galaxies move away from us

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what measures red shift

hubble telescope

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if red shift is greater

galaxy is moving at a faster velocity because it is further away from us

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how does red shift prove the big bang

it shows that the furthest galaxies away from us are also moving away from us the fastest, suggesting that at some point all galaxies started at the same point

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if red shift is lower

galaxy is moving at a slower velocity because it is closer to us