the big bang theory

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what is the doppler effect?
the sound as an objects wavelength changes with movement.
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what is red shift?
as wavelength increases between the earth and other galaxies the spectrum shifts towards the red.
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what does red shift tell us
that objects are moving away. indicating that the universe is expanding from a point.
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who discovered that the universe was expanding?
Edwin Hubble
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what is blue shift
the decrease in wavelength, suggesting objects are moving towards us.
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what is CMBR radiation
radiation left shortly after the big bang
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What does CMBR stand for?
cosmic microwave background radiation.
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Card 2

Front

what is red shift?

Back

as wavelength increases between the earth and other galaxies the spectrum shifts towards the red.

Card 3

Front

what does red shift tell us

Back

Preview of the front of card 3

Card 4

Front

who discovered that the universe was expanding?

Back

Preview of the front of card 4

Card 5

Front

what is blue shift

Back

Preview of the front of card 5
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