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SUMMARY:22nd Hintze Lecture - The legacy from Planck: do we have a standar
 d model of cosmology? - Professor George Efstathiou (University of Cambrid
 ge)
DTSTART;VALUE=DATE-TIME:20211124T180000Z
DTEND;VALUE=DATE-TIME:20211124T190000Z
UID:https://talks.ox.ac.uk/talks/id/1163306f-01b1-43b9-82b8-3c5897444d55/
DESCRIPTION:Observations of the cosmic microwave background radiation by t
 he European Space Agency’s Planck satellite have led to a standard model
   of cosmology with very precisely determined parameters. In this model\, 
 known as ΛCDM\, structure in the Universe arose from  quantum fluctuation
 s that were stretched in scale during an early inflationary phase in the U
 niverse’s history. At the present day most of the matter is cold and inv
 isible\, but most of the energy is in an unusual form that is also dark an
 d invisible.   The three key ingredients of the ΛCDM cosmology – inflat
 ion\, cold dark matter and dark energy – are not understood at a fundame
 ntal level.  I will first discuss the evidence in favour of the ΛCDM cosm
 ology. I will then review recent evidence\, from measurements of the Hubbl
 e constant and gravitational lensing\, for failures of the ΛCDM cosmology
 . I will end by answering the question in the title of this talk.\nSpeaker
 s:\nProfessor George Efstathiou (University of Cambridge)
LOCATION:Online
TZID:Europe/London
URL:https://talks.ox.ac.uk/talks/id/1163306f-01b1-43b9-82b8-3c5897444d55/
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DESCRIPTION:Talk:22nd Hintze Lecture - The legacy from Planck: do we have 
 a standard model of cosmology? - Professor George Efstathiou (University o
 f Cambridge)
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