Illustration courtesy M. Kornmesser, ESO
Quasars—such as the one in this illustration released September 26 by NASA's Jet Propulsion Laboratory (JPL)—are luminous, energetic areas around giant, active black holes at the centers of galaxies. For the first time, these mysterious cosmic phenomena have been captured igniting after galaxy mergers, according to a new study.
Among the new findings: As galaxies develop, they appear to undergo a burst of star growth before quasars fire up—before their roiling winds can disperse the relatively cold gases needed for stellar gestation, according to JPL.
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