Unscramble

r 1 e 1 d 2 s 1 h 4 i 1 f 4 t 1 s 1

9 letters · 16 points in Scrabble

Meaning

noun (astronomy) a shift in the spectra of very distant galaxies toward longer wavelengths (toward the red end of the spectrum); generally interpreted as evidence that the universe is expanding

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