Whitrow lecture: Cosmology: a matter of all and nothing

Details Whitrow lecture: Cosmology: a matter of all and nothing Whitrow lecture: Cosmology: a matter of all and nothing

Aug 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002a%26g....43d...8b&link_type=abstract

Astronomy & Geophysics, Volume 43, Issue 4, pp. 4.08-4.15.

Physics

Geophysics

Scientific paper

The modern picture of the expanding Big Bang universe is described. Implications of the expansion for the evolution of life are highlighted, together with the new features contributed by the inflationary universe theory. Observational tests of inflation are described along with some of the possibilities introduced by new theories of strings and quantum gravity. These theories allow the numbers of dimensions of space and of time to be larger than the three and one we experience and permit the observed ``constants'' of Nature to vary slowly in time. We describe recent astronomical evidence that is consistent with small variations of the fine-structure constant and discuss some of its far-reaching implications.

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