The experimental evidence that the Universe is expanding was provided by Edwin _

Question

The experimental evidence that the Universe is expanding was provided by Edwin ______ who discovered ______ of the spectra of distant galaxies. This effect of shifting the wavelength of the emitted radiation towards the ______ wavelengths (______) is caused by the relativistic _____ effect. The amount of the shift is related to the relative ______ of the galaxy observed from the Earth. To find the distance to the galaxies ______ evaluated the distance of various galaxies by comparing the ______ of their brightest spots to the ______ of the brightest stars in the nearby galaxies of known distance from Earth. By plotting this______ versus the ______ he obtained ______relationship known as ______ Law.

Explanation / Answer

1) Edwin HUBBLE

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