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SUMMARY:Testing gravity using astrophysics - Jeremy Sakstein (ICG Portsmou
 th)
DTSTART:20160509T120000Z
DTEND:20160509T130000Z
UID:TALK65741@talks.cam.ac.uk
CONTACT:Tommaso Giannantonio
DESCRIPTION:Alternative theories of gravity are popular alternatives to th
 e LCDM model because they can self-accelerate without a cosmological const
 ant. On smaller scales\, consistency with solar system tests of gravity is
  achieved by utilising screening mechanisms\, which act to hide fifth-forc
 es locally. This makes them difficult to distinguish from general relativi
 ty. In this talk I will describe recent work using astrophysical objects--
 -stars\, galaxies\, and clusters---as new and novel probes of alternative 
 gravity theories.
LOCATION:CMS\, Pav. B\, CTC Common Room (B1.19) [Potter Room]
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