Distant Encounters
نویسندگان
چکیده
منابع مشابه
Simultaneous Estimation of the Masses of Mars, Phobos, and Deimos Using Spacecraft Distant Encounters
The masses of Mars and its satellites, Phobos and Deimos, have been estimated from the Mariner 9 and Viking 1 and 2 Orbiter tracking data. These spacecraft were sensitive to the gravitational force of Mars as well as to its satellites. Although the satellite masses are eight orders of magnitude smaller than Mars, their regular effect on the orbits of the spacecraft is evident in the tracking da...
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It is expected that an average protostar will undergo at least one impulsive interaction with a neighbouring protostar whilst a large fraction of its mass is still in a massive, extended disc. Such interactions must have a significant impact upon the evolution of the protostars and their discs. We have carried out a series of simulations of coplanar encounters between two stars, each possessing...
متن کاملNumerical simulations of protostellar encounters I . Star - disc encounters
It appears that most stars are born in clusters, and that at birth most stars have circumstellar discs which are comparable in size to the separations between the stars. Interactions between neighbouring stars and discs are therefore likely to play a key rôle in determining disc lifetimes, stellar masses, and the separations and eccentricities of binary orbits. Such interactions may also cause ...
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ژورنال
عنوان ژورنال: Critique d’art
سال: 2012
ISSN: 1246-8258,2265-9404
DOI: 10.4000/critiquedart.5673