Word:

red shift

Noun1.red shift - (astronomy) a shift in the spectra of distant galaxies toward longer wavelengths; generally interpreted as the Doppler effect resulting from the velocity at which they recede as the universe expands
astronomy, Doppler effect, Doppler shift, uranology
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red rat snake
red region
Red Republican
Red ribbon
Red River
red rockfish
red salmon
red sandalwood
red sanders
red sanderswood
Red sandstone
red saunders
Red scale
red scare
Red Sea
red setter
-- red shift --
red shrubby penstemon
red silk cotton
red silk-cotton tree
Red silver
red silver fir
red siskin
red snapper
Red snow
Red softening
red sorrel
red spider
red spider mite
red sprites
red spruce
red squirrel
Red Sun
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