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How does redshift provide evidence that the Universe is expanding?
A
Light from distant galaxies shows an increase in wavelength, indicating they are moving towards us.
B
Light from distant galaxies shows a decrease in wavelength, indicating they are moving towards us.
C
Light from distant galaxies shows an increase in wavelength, indicating they are moving away from us.
D
Light from distant galaxies shows no change in wavelength, indicating they are stationary relative to us.
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Age, fate and dark matter in the universe Flashcards
23 flashcards on Edexcel AS Level Physics Age, fate and dark matter in the universe: the key terms and definitions you need to recall.