Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983ap%26ss..94..319s&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 94, no. 2, Aug. 1983, p. 319-331.
Astronomy and Astrophysics
Astrophysics
4
Cosmology, Curvature, Extraterrestrial Radiation, Quasars, Relativistic Velocity, Space-Time Functions, Euclidean Geometry, Galactic Clusters, Interstellar Extinction, Optical Illusion, Polarized Light, Radial Velocity
Scientific paper
Two partial models of two-dimensional curved subspaces are used to show how apparent superluminal motions can be the result of an optical illusion. The illusion is due to the need to correct the observed angle of distortion of the subspace into the real angle valid in uncurved space. If a two-dimensional subspace is just a spheric surface the correction factor is rho/sin rho, where rho is the angular distance from the observer to the observed object. Since the correction factor can go up to infinity for rho = pi, apparent superluminal velocities are observed. Apparent clustering of galaxies can be caused by the correction factor for a hyperbolic spool space or the internal part of an annuloid being between zero and one. This concept also explains the observed polarization and interference of radiation from numerous astronomical objects, especially quasars.
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