Red-shift and Big Bang

?
Light from distant galaxies have?
Increased wavelength
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What does red-shift show?
Galaxies are moving far away from each other
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Galaxies further away have and how far do they move?
Have a bigger red-shift. They move faster than closer galaxies
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Very distant galaxy?
Large red-shift. Moving away very fast.
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More distant galaxy?
Larger red-shift. Move away faster
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Nearby galaxies
Small red-shift. Moving away
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Distant galaxies moving further away than nearby galaxies evidence?
That universe is expanding
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How did the universe begin?
In a very small region. Very hot and dense.
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What happens to this region?
It expanded to the universe seen today
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Observations of supernovas?
Increase in expansion rate. Universe is expanding faster.
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What else does the universe contain?
Dark matter and dark energy
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Dark matter and dark energy cannot?
be detected
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Other cards in this set

Card 2

Front

What does red-shift show?

Back

Galaxies are moving far away from each other

Card 3

Front

Galaxies further away have and how far do they move?

Back

Preview of the front of card 3

Card 4

Front

Very distant galaxy?

Back

Preview of the front of card 4

Card 5

Front

More distant galaxy?

Back

Preview of the front of card 5
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