9th Barcelona Initiative for Gravitation (BIG) Meeting

Session

Pizza Seminar

15 May 2026, 12:00

Alberto Lobo Room (Institut de Ciències de l'Espai (ICE, CSIC))

Description

ICE Pizza Seminar

1. The meaning of “Big Bang”

Emili Elizalde (Institute of Space Sciences (ICE, CSIC))

15/05/2026, 12:00

What was the Big Bang? Everybody knows (better, thinks to know!). The most widespread (and erroneous) belief is that it was a colossal explosion that took place at the very beginning of the cosmos, and that it launched all the matter and energy concentrated (or “shrunken”) in a “primordial atom” --of unbelievable density and temperature-- into all regions of the universe. It is an enormous...