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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20101004T000000
DTEND;TZID=Atlantic/Canary:20101004T010000
UID:iactalks-210
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/210
CREATED:2010-10-04T00:00:00+01:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:Matters of gravity
DESCRIPTION:Matters of gravity\nProf. João Magueijo\n\nContrary to popular
  belief, on very large distance scales visible matter stubbornly refuses t
 o "fall" according to the laws of gravity of both Newton and Einstein. The
  paradox has led to the introduction of dark matter, purporting to explain
  the observed surplus of gravitational pull. The logical possibility remai
 ns that there is no dark matter, what you see is all there is, and that th
 e paradox simply signals the break down of the Einstein-Newton theory of g
 ravity. I will review alternative theories of gravity that do away with th
 e need for dark matter. Surprisingly Solar system gravitational experiment
 s, such as those associated with the LISA Pathfinder mission, might settle
  the score between the two approaches.
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