This is called red-shift. Light is shifted towards the long wavelength, red end of the spectrum. This tells us that: other galaxies are moving away from our galaxy; the Universe is expanding.
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The Big Bang Theory spin-off SFTSU turns heads with the first table read (& one character's replacement is yet to be found)The universe of The Big Bang Theory is set to magnify yet again, bringing back to the table some recognizable faces in a ...
This is called red-shift. Light is shifted towards the long wavelength, red end of the spectrum. This tells us that: other galaxies are moving away from our galaxy; the Universe is expanding.
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