The big bang theory states that the earth began 13,700 million years ago in an explosion of matter which formed everything in the universe as we know it today.
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What evidence is there to support this theory?
Red shift and microwave background information.
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What is the red shift?
When a light from a source moves towards the red end of the light spectrum.
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What does the red shift prove to us?
That the galaxies are continuing to expand and move away from us.
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The further away a galaxy is from us the......... the light is
redder
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What does this mean?
The galaxy is further away from us.
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The universe expanding supports what?
That the universe began with an explosion
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What is microwave background information?
heat left over from the original explosion.
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Other cards in this set
Card 2
Front
What evidence is there to support this theory?
Back
Red shift and microwave background information.
Card 3
Front
What is the red shift?
Back
Card 4
Front
What does the red shift prove to us?
Back
Card 5
Front
The further away a galaxy is from us the......... the light is
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