Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997apj...482l.115s&link_type=abstract
Astrophysical Journal Letters v.482, p.L115
Astronomy and Astrophysics
Astronomy
3
Cosmology: Theory, Cosmology: Distance Scale, Relativity, Stars: Supernovae: General, Stars: Supernovae: Individual Alphanumeric: Sn 1995K
Scientific paper
The observed apparent time dilation of supernovae light curves claimed recently by Leibundgut et al. to establish directly the "expansion of the universe" is, rather, a general implication of fundamental physics. In particular, it applies to chronometric cosmology, in which it appears explicitly as a generalized Lorentz-Fitzgerald contraction. The dilation effect was earlier shown in the proper motion--to--redshift relation of superluminal sources, as analyzed in the frame of chronometric cosmology by Segal, providing an estimate of the cosmic distance scale.
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