Jim Peebles
Dept. Physics Joseph Henry Lab., Princeton Univ. (Princeton, New Jersey, Etats-Unis d'Amérique)
I propose to discuss how we arrived at the tightly woven network of evidence that shows we have a good approximation to what happened as the universe expanded and cooled, and then present considerations that I take to indicate that we may be able to find still better approximations to reality.
Amphithéâtre Henri Mineur, Institut d'Astrophysique de Paris