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VERSION:2.0
CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
BEGIN:VEVENT
SEQUENCE:0
UID:UW-Physics-Event-1661
DTSTART:20091022T190000Z
DTEND:20091022T203000Z
DTSTAMP:20260422T032205Z
LAST-MODIFIED:20091015T125131Z
LOCATION:3425 Sterling Hall
SUMMARY:WMAP and Beyond\, Whitford Lecture\, Dr. David Spergel\, Princ
 eton University
DESCRIPTION:CMB experiments have made an accurate full-sky measurement
  of the microwave background temperature and polarization fluctuations
 .  These measurements probe both the physics of the very early univers
 e and the basic properties of the universe today.  These measurements 
 rigorously test our standard cosmological model and provide an accurat
 e determination of basic cosmological parameters (the curvature of the
  universe\,its matter density and composition).<br>
\n<br>
\nI will re
 view the results from WMAP and describe recent results from the Atacam
 a Cosmology Telescope (ACT) and look forward to the upcoming results f
 rom Planck.  ACT small scale measurements not only probe early univers
 e physics but offer a new tool for studying the evolution of clusters 
 and large-scale structure. 
URL:https://www.physics.wisc.edu/events/?id=1661
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