The red shift is evidence of an expanding universe a star
The Red Shift is evidence of an expanding Universe. A star like our Sun has a peak wavelength of 518 nm. If the star appeared to have a peak wavelength of 530 nm, find the rate of expansion (velocity) between that star and our Sun.
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the red shift is evidence of an expanding universe a star like our sun has a peak wavelength of 518 nm if the star
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