‘Cold quasar’ discovery could signal galaxies’ ‘retirement party’ phase

(CNN)Astronomers may need to rethink how galaxies die after researcher Allison Kirkpatrick’s discovery of “cold quasars,” galaxies full of cold gas that still give birth to stars, despite having highly energetic quasars at their center. Kirkpatrick, an assistant professor of physics and astronomy at the University of Kansas, announced the finding Wednesday during the 234th…

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