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SUMMARY:Matters of gravity: testing modified gravity in the Solar system -
  Joao Magueijo (Imperial College London)
DTSTART:20121126T130000Z
DTEND:20121126T140000Z
UID:TALK39639@talks.cam.ac.uk
CONTACT:Camille Bonvin
DESCRIPTION:Contrary to popular belief\, on very large distances\nvisible 
 matter stubbornly refuses to "fall" according to the laws of gravity of bo
 th Newton and Einstein. The paradox has led to the introduction of dark ma
 tter\, purporting to explain the observed surplus of gravitational pull. T
 he logical possibility remains that there is no dark matter\, what you see
  is all there is\, and that the paradox simply signals the break down of t
 he Einstein-Newton theory of gravity. I will review alternative theories o
 f gravity that do away with the need for dark matter. Surprisingly\, Solar
  system\ngravitational experiments (such as those associated with the LISA
  Pathfinder mission\, Lunar Laser Ranging and Very Large Baseline Interfer
 ometry) might settle the score between the two approaches.
LOCATION:CMS\, Pav.B\, CTC Common Room (B1.19)
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