The relict reservoir of cometary bodies as a unitary store of comets of the solar system

Autor:	I. L. Genkin, V. M. Chepurova, F. A. Tsitsin
Rok vydání:	1999
Předmět:	Physics Solar System Neptune Planet Physics::Space Physics Astronomy Swarm behaviour Astronomy and Astrophysics Astrophysics::Earth and Planetary Astrophysics Great conjunction Instrumentation Unitary state Galaxy
Zdroj:	Astronomical & Astrophysical Transactions. 17:351-354
ISSN:	1476-3540 1055-6796
Popis:	Solar system (SS) comets come from a relict reservoir (RR) of cometary bodies (CB). The reservoir consists of two components of common origin, but highly different spatial, dynamical and kinematical characteristics: (1) a dynamically stable component on cosmogonic time-scale formed by Kazimirchak-Polonskaya (KP) belts lying between the giant planets (GP) and beyond Neptune. This component (thanks to CB collisions pushing the CB away from the zone of stability) provides us with periodic comets. (2) a swarm of dissipants moving on Brownian-type trajectories; at present the swarm may be of a size of no more than 100 ps, but expands diffusing “into the Galaxy”, and provides, thanks to statistically inevitable returns of part of the CB to the Sun, “quasiparabolic” comets, including: (a) elliptic quasiparabolic; (b) non-distinguishable from parabolic;(c) slightly hyperbolic comets. The belt between the orbits of Jupiter and Saturn populating CB must be as bright as 23m-24m and consequently may be obser...
Databáze:	OpenAIRE
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