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Electromagnetic Field Created by Rotation of Celestial Bodies 被引量:1
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作者 Arkady Dolginov 《Journal of Modern Physics》 2016年第16期2418-2425,共8页
The observed correlation of the angular momenta L<sup>ik</sup> and magnetic moments μ<sub>lm</sub> of celestial bodies (the Sun, planets and stars) was discussed by many au... The observed correlation of the angular momenta L<sup>ik</sup> and magnetic moments μ<sub>lm</sub> of celestial bodies (the Sun, planets and stars) was discussed by many authors but without any explanation. In this paper, a possible explanation of this phenomenon is suggested. It is shown that the function  satisfies Maxwell equations and can be considered as a function which determines the electro-magnetic properties of rotating heavy bodies. The R<sub>iklm</sub> is the Riemann tensor, which determines the gravitational field of the body, r<sub>g</sub> is the gravitational radius of the body, and η is the constant which has to be determined by observations. The field Φ<sub>lm</sub> describes the observed  correlation. It explains the stability of magnetic field of white dwarfs and neutron stars despite the ohmic dissipation. The function Φ<sub>l0</sub><sub></sub> describes the electric field created by rotating heavy bodies. The presented theory does not contradict any existed experiments and observations. 展开更多
关键词 Electromagnetic Field Rotating celestial bodies GRAVITATION
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The present status and prospects in the research of orbital dynamics and control near small celestial bodies
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作者 Pingyuan Cui Dong Qiao 《Theoretical & Applied Mechanics Letters》 CAS 2014年第1期1-14,共14页
Small celestial body exploration is of great significance to deep space activities. The dynamics and control of orbits around small celestial bodies is of top priority in the exploration research. It includes the mode... Small celestial body exploration is of great significance to deep space activities. The dynamics and control of orbits around small celestial bodies is of top priority in the exploration research. It includes the modeling of dynamics environment and the orbital dynamics mechanism. This paper introduced state-ofthe-art researches, major challenges, and future trends in this field. Three topics are mainly discussed: the gravitational field modeling of irregular-shaped small celestial bodies, natural orbital dynamics and control, and controlled orbital dynamics. Finally, constructive suggestions are made for China’s future space exploration missions. 展开更多
关键词 small celestial body exploration dynamics and control gravitational field of irregular-shaped body natural orbital dynamics controlled orbital dynamics
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