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What is red-shift?
it is a radiation given off by other galaxies.
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What does it mean if a galaxy has a greater red-shift?
the faster they are noving.
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What does red-shift do for scientists?
It provides evidence that the universe is expanding.
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rtj
rstj
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srjs
sfj
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Card 2

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What does it mean if a galaxy has a greater red-shift?

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the faster they are noving.

Card 3

Front

What does red-shift do for scientists?

Back

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Card 4

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rtj

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Card 5

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srjs

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