https://doi.org/10.1051/epjconf/20135802004
Cosmology and time
Dipartimento di Fisica, Università di Roma ‘Tor Vergata’ Via della Ricerca Scientifica 1, 00133 Roma, Italy
a e-mail: balbi@roma2.infn.it
Published online: 5 September 2013
Time has always played a crucial role in cosmology. I review some of the aspects of the present cosmological model which are more directly related to time, such as: the definition of a cosmic time; the existence of typical timescales and epochs in an expanding universe; the problem of the initial singularity and the origin of time; the cosmological arrow of time.
© Owned by the authors, published by EDP Sciences, 2013
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
