cosmological redshift

noun 0.772

gravitational redshift

noun 0.758

blueshift

noun 0.730

isotope shift

noun 0.576

chemical shift

noun 0.564

downshifting

noun 0.549

radial velocity

noun 0.547

red light

noun 0.539

shift

noun 0.537

red dwarf

noun 0.533

red noise

noun 0.532

upshift

noun 0.530

reddening

noun 0.527

red

noun 0.524

time shifting

noun 0.524

redness

noun 0.520

backshift

noun 0.519

reduction

noun 0.514

red cent

noun 0.504

lightspeed

noun 0.502

shifting

noun 0.501