Results 211 to 220 of about 13,506 (264)
Bow shock oscillations of Mars under weakly disturbed solar wind conditions. [PDF]
Nat CommunCheng L +15 more
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The glass-ceiling convective regime and the origin and diversity of coronae on Venus. [PDF]
Proc Natl Acad Sci U S AKerr MC +3 more
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Terrestrial dimethyl sulfide: Template for astrobiology. [PDF]
BioinformationShapshak P +4 more
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Philosophical Transactions of the Royal Society of London. Series A: Physical and Engineering Sciences, 1994
The dynamics of planetary rings are reviewed in the light of data derived from the recent spacecraft missions to the outer planets. It is shown that although the ring systems of Jupiter, Saturn, Uranus and Neptune display a great diversity of phenomena and dynamical structures, they have many features and problems in common.
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The dynamics of planetary rings are reviewed in the light of data derived from the recent spacecraft missions to the outer planets. It is shown that although the ring systems of Jupiter, Saturn, Uranus and Neptune display a great diversity of phenomena and dynamical structures, they have many features and problems in common.
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Dynamic Habitability Of Extrasolar Planetary Systems
Celestial Mechanics and Dynamical Astronomy, 2005In this paper, we estimate the likelihood to find habitable Earth-like planets on stable orbits for the extrasolar planetary systems ee Eridani, 55 Cancri, 47 Ursae Majoris, and ρ Coronae Borealis and provide a new tool to assess habitability of extrasolar planetary systems.
von Bloh, W., Bounama, C., Franck, S.
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Dynamic modelling of wheeled planetary rovers
Proceedings of 2011 International Conference on Electronic & Mechanical Engineering and Information Technology, 2011A dynamic model for wheeled planetary rovers based on the pseudo-coordinates approach is presented. The model allows any number of wheels and different types of suspensions to be considered and can used for rovers steered by steering wheels or by slip steering.
CHEN, FENG, GENTA, GIANCARLO, Zhao G.
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1973
The term “planetary” will be applied to fluid motions on the earth whose space and time scales are so large that the earth’s rotation may not be ignored. Such motions have properties which are not to be found in nonrotating systems. For example, the action of external forces such as gravity invariably bring into being Coriolis forces which in turn ...
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The term “planetary” will be applied to fluid motions on the earth whose space and time scales are so large that the earth’s rotation may not be ignored. Such motions have properties which are not to be found in nonrotating systems. For example, the action of external forces such as gravity invariably bring into being Coriolis forces which in turn ...
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Annual Review of Fluid Mechanics, 1999
▪ Abstract A review of planetary-entry gas dynamics is presented. Evolution of a blunt-body flowfield from a free molecular flow environment to a continuum environment is described. Simulations of near-wake flow phenomena, important for defining aerobrake payload environments, are also discussed.
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▪ Abstract A review of planetary-entry gas dynamics is presented. Evolution of a blunt-body flowfield from a free molecular flow environment to a continuum environment is described. Simulations of near-wake flow phenomena, important for defining aerobrake payload environments, are also discussed.
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Journal of Mechanical Design, 1994
A model to simulate the dynamic behavior of a single-stage planetary gear train with helical gears is developed. The three-dimensional dynamic model includes all six rigid body motions of the gears and the carrier. The generic nature of the formulation allows the analysis of a planetary gear set with any number of planets.
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A model to simulate the dynamic behavior of a single-stage planetary gear train with helical gears is developed. The three-dimensional dynamic model includes all six rigid body motions of the gears and the carrier. The generic nature of the formulation allows the analysis of a planetary gear set with any number of planets.
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The Dynamics of Planetary Rings
Annual Review of Astronomy and Astrophysics, 1982The discovery of ring systems around Uranus and Jupiter, and the Pioneer and Voyager spacecraft observations of Saturn, have shown that planetary rings are both more common and more complex than previously suspected. These ring systems, interesting in their own right, also serve as prototypes for more massive disk systems such as accretion disks ...
Goldreich, Peter, Tremaine, Scott
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