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PRODID:UW-Madison-Physics-Events
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UID:UW-Physics-Event-4885
DTSTART:20181108T213000Z
DTEND:20181108T230000Z
DTSTAMP:20260419T055939Z
LAST-MODIFIED:20180910T204334Z
LOCATION:4421 Sterling Hall\, Coffee and cookies 3:30 PM. Talk Begins 
 at 3:45 PM
SUMMARY:Star Formation Then and Now\, Astronomy Colloquium\, Nia Imara
 \, CfA Harvard
DESCRIPTION:Stars are of fundamental importance to astronomy\, and how
  they form and shape their environments influence everything from exop
 lanet studies to cosmology. Stars form in heavily obscured molecular c
 louds\, and understanding the initial conditions of star formation per
 sists as one of the leading challenges of contemporary astrophysics. A
  major challenge is the wide range of physical scales involved: from t
 he large-scale galactic environment\, to molecular clouds\, to the hig
 h-density filaments and cores most directly associated with the birth 
 of stars\, and all the way down to the physics of dust\, atoms and mol
 ecules.  I will discuss ways to overcome these challenges\, focusing o
 n the birth of molecular clouds from the atomic interstellar medium\, 
 the role of high-density substructure in the formation of stars\, and 
 the properties of molecular clouds in dwarf galaxies. I will also expl
 ore some cosmological implications of stardust\, proposing theoretical
  models for dust in high-redshift galaxies and in the intergalactic me
 dium. 
URL:https://www.physics.wisc.edu/events/?id=4885
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