October 28, 1999 Pratt Conference Room, Perkin G-04, 12:30 pm
Optical and Infrared Astronomy Division Talk
Turbulence, viscosity, diffusion and gravity in the formation of
cosmological structure: the fluid mechanics of dark matter
Prof. Carl Gibson, U. California San Diego
Turbulence was inhibited by photon viscosity and buoyancy forces of
the first structures as the primordial plasma fragmented into
proto-supercluster to proto-galaxy objects starting 30,000 years
after the Big Bang. After photon decoupling at 300,000 years, the
neutral primordial gas fragmented into proto-globular-cluster mass
clumps of small planetary mass objects that persist as the galactic
dark matter according to a new gravitational condensation theory of
Gibson 1996, supporting the Schild 1996 suggestion from measured
twinkling frequencies of lensed quasar images that the mass of the
lens galaxy is dominated by "rogue planets ... likely to be the
missing mass".
See
http://www-acs.ucsd.edu/~ir118
for pictures and preprints.