Observatoire des droits humains (anglais seulement)

The multiverse: our universe is suspiciously unlikely to exist – unless it is one of many

(Version anglaise seulement)

par Martin Rees, Emeritus Professor of Cosmology and Astrophysics, University of Cambridge

It’s easy to envisage other universes, governed by slightly different laws of physics, in which no intelligent life, nor indeed any kind of organised complex systems, could arise. Should we therefore be surprised that a universe exists in which we were able to emerge?

That’s a question physicists including me have tried to answer for decades. But it is proving difficult. Although we can confidently trace cosmic history back to one second after the Big Bang, what happened before…

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