blueshifted

/ˈbluːʃɪftɪd/
adjective
  1. Describing light or an object whose light has been shifted toward the blue end of the spectrum, usually because it is moving toward the observer.
    • Scientists detected a blueshifted signal from the fast-moving spacecraft.
    • The galaxy's blueshifted spectrum showed it was getting closer.
    • The blueshifted light from the star indicated it was approaching us.
Antonyms
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