Results 41 to 50 of about 783,055 (280)

Symmetries in central-force problems [PDF]

open access: yesSerbian Astronomical Journal, 2003
The two-body problem in central fields (reducible to a central-force problem) models a lot of concrete astronomical situations. The corresponding vector fields (in Cartesian and polar coordinates, extended via collision-blow-up and infinity-blow-up ...
Mioc V., Barbosu M.
doaj   +1 more source

Editorial for the Special Issue “Relativistic Astrophysics”

open access: yesUniverse, 2022
Relativistic Astrophysics is the branch of astrophysics that studies astronomical phenomena and celestial bodies, for which classical mechanics and Newton’s law of gravitation are inapplicable to creation of suitable models and we have to generalize ...
Francesco De Paolis   +2 more
doaj   +1 more source

ELABORATION OF THE BATCH OF THE PROGRAMS FOR CELESTIAL MECHANICS FOR THE COMPUTATION OF THE ASTRONOMICAL EPHEMERIS

open access: yesOdessa Astronomical Publications, 2017
The batch of the programs for celestial mechanics are elaborated in order to obtain the ephemeris of the Sun, the Moon, the planets and their satellites, the asteroids, the comets, the binary stars, the variables stars, determination of the conditions of
V. V. Mikhalchuk
doaj   +1 more source

The proximities of asteroids and critical points of the distance function [PDF]

open access: yesSerbian Astronomical Journal, 2010
The proximities are important for different purposes, for example to evaluate the risk of collisions of asteroids or comets with the Solar-System planets.
Milisavljević Slaviša
doaj   +3 more sources

On the Possibility of Determining the Distance to the Galactic Center from the Geometry of Spiral Arm Segments

open access: yesOpen Astronomy, 2015
A new approach to determining the solar galactocentric distance, R0, from the geometry of spiral-arm segments is proposed. Geometric aspects of the problem are analyzed and a simplified three-point method for estimating R0 from objects in a spiral ...
Nikiforov I. I., Veselova A. V.
doaj   +1 more source

Survey of secular resonances in the asteroid belt [PDF]

open access: yesSerbian Astronomical Journal, 2022
Using a recently introduced synthetic method to compute the asteroid secular frequencies (Knežević and Milani 2019), in this paper we survey the locations of secular resonances in the 9 dynamically distinct zones of the asteroid belt.
Knežević Z.
doaj   +1 more source

Daemons and DAMA: Their Celestial-Mechanics Interrelations [PDF]

open access: yes, 2007
The assumption of the capture by the Solar System of the electrically charged Planckian DM objects (daemons) from the galactic disk is confirmed not only by the St.Petersburg (SPb) experiments detecting particles with ...
Allen C. W.   +8 more
core   +2 more sources

Quantitative predictions with detuned normal forms [PDF]

open access: yesCelestial Mechanics & Dynamical Astronomy (2008), vol. 102, pp. 163--176, 2008
The phase-space structure of two families of galactic potentials is approximated with a resonant detuned normal form. The normal form series is obtained by a Lie transform of the series expansion around the minimum of the original Hamiltonian. Attention is focused on the quantitative predictive ability of the normal form. We find analytical expressions
arxiv   +1 more source

Gamification in studying celestial mechanics using Kerbal Space Program

open access: yesАвіаційно-космічна техніка та технологія
The rapid development of technologies and their implementation in the educational process provide an opportunity to apply gamification, that is, the use of game mechanics and elements for in-depth study of a complex technical discipline.
Pavlo Ponomarenko
doaj   +1 more source

On the foundations of general relativistic celestial mechanics [PDF]

open access: yes, 2017
Towards the end of nineteenth century, Celestial Mechanics provided the most powerful tools to test Newtonian gravity in the solar system, and led also to the discovery of chaos in modern science.
E. Battista   +2 more
semanticscholar   +1 more source

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