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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20110927T000000
DTEND;TZID=Atlantic/Canary:20110927T010000
UID:iactalks-292
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/292
CREATED:2011-09-27T00:00:00+01:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:How massive galaxies have evolved over cosmic time?
DESCRIPTION:How massive galaxies have evolved over cosmic time?\nDr. Ignaci
 o Trujillo\n\nIn the last few years there has been cumulative evidence sho
 wing that  massive galaxies have dramatically grown in size since z~3. Thi
 s result  has remained very controversial as it seems at odd with our prev
 ious  knowledge based on the detailed analysis of the stellar populations 
 of  nearby massive spheroids which shows that their stars were form very  
 early on and over a short time interval. In addition to this, there is  gr
 owing observational support for a significant evolution of the  morphologi
 es of these galaxies with cosmic time. In this talk, I will  summarize wha
 t we have learned since the discovery of the strong  evolution of the morp
 hological properties of the massive galaxies, the  mechanisms proposed to 
 explain their origin and size increase, and the  pending questions still t
 o solve.
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