Unscramble

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

8 letters · 15 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

originFrom red + shift.

Etymology from Wiktionary, CC BY-SA 3.0

← Back to unscrambler