red shift
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->
Letter R
-> red shift
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red shift Definition
(n) (
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
red shift Synonyms
red shift
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