mcknightfatimap2pimh mcknightfatimap2pimh

17-01-2018
Chemistry

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What does redshifting indicate to astronomers?

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memo213le1 memo213le1

17-01-2018

'Red shift' is a key concept for astronomer. The term can be understood literally - the wavelength of the light is stretched, so the light is seen as 'shifted' towards the red part of the spectrum.
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