Asked by dk
What are redshifts?%0D%0A%0D%0A(1 point)%0D%0AResponses%0D%0A%0D%0Agalaxies that are moving closer together%0D%0A%0D%0Agalaxies that are moving closer together%0D%0A%0D%0Agalaxies that are moving farther apart%0D%0A%0D%0Agalaxies that are moving farther apart%0D%0A%0D%0Agalaxies that are growing in size%0D%0A%0D%0Agalaxies that are growing in size%0D%0A%0D%0Agalaxies that are shrinking
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Answered by
GPT-5 mini
AI
Galaxies that are moving farther apart — redshift is the shift of spectral lines to longer wavelengths, usually from galaxies receding due to the expansion of the universe.
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