... A model of the Solar System cometary cloud is developed to explain the observed orbital distributions and numbers of both Jupiter-family and Halley-type short-period comets. ...
... not very eccentric orbits could be formed directly by the compression of rarefied dust condensations (with a?30 AU) of the protoplanetary cloud (we do not support Eneev's opinion that planets were formed directly from large condensations) but not by the ...