Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989jrasc..83..363p&link_type=abstract
Journal of the Royal Astronomical Society of Canada (ISSN 0035-872X), vol. 83, Dec. 1989, p. 363-376. Research supported by NSF.
Astronomy and Astrophysics
Astronomy
21
Cosmology, Galactic Evolution, Spatial Distribution, Dark Matter, Gravitational Effects, Red Shift, Sky Surveys (Astronomy), String Theory
Scientific paper
Very nearby galaxies are strongly clustered and exhibit very similar distributions between giant and dwarf galaxies; both of these galaxy types strongly avoid the very nearby voids. The relative peculiar velocities of nearby galaxies are smaller than the Hubble velocity, and considerably less than the mean peculiar velocity of the sample. It is suggested that these observational characteristics cause problems for all currently popular theories of galaxy formation, including those of biased cold dark matter, unbiased gravitational instability, cosmic strings, and explosions.
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