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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20211202T103000
DTEND;TZID=Atlantic/Canary:20211202T113000
UID:iactalks-1509
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/1509
CREATED:2021-12-02T10:30:00+00:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:The multiple routes of galaxy transformation across the cosmic epoc
 hs
DESCRIPTION:The multiple routes of galaxy transformation across the cosmic 
 epochs\nProf. Roberto Maiolino\n\nIn the local universe most of the stella
 r mass is in passive galaxies, where star formation isabsent or at very lo
 w levels. Understanding what are the mechanisms that have beenresponsible 
 for quenching star formation in galaxies, and transforming them into passi
 ve,quiescent systems, is one of the main observational and theoretical cha
 llenges of extragalacticastrophysics. I will give a brief overview of the 
 several possible quenching causes and physicalprocesses that have been pro
 posed so far, ranging from feedback from black hole accretion andstarburst
  activity, to effects associated with the large scale environment in which
  galaxies live.Although most of these mechanisms and causes play a role in
  different classes of galaxies andat different epochs, multi-band observat
 ions are providing growing evidences that just a few ofthem play the key, 
 dominant role.I will conclude by providing prospects for further investiga
 ting these aspects and tackling openquestions with the next generation of 
 observing facilities.
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