书法
发表于 2025-3-25 12:29:23
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intuition
发表于 2025-3-25 16:42:15
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FANG
发表于 2025-3-25 20:28:15
https://doi.org/10.1007/978-1-4613-9898-1al of the disk to the gravitational potential of the main spiral arms. The peculiarities of the potential in the narrow transitional annulus between the regions of spiral and multipole behavior can explain basic characteristic features of the quarter-turn spirals (their angular length and small pitch angles).
合唱队
发表于 2025-3-26 02:11:00
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HPA533
发表于 2025-3-26 04:34:27
Wolfgang Bauer,Gary D. Westfalling moments form a closed system of three highly-symmetric coupled first-order partial differential equations in three variables. They were first derived by Lynden-Bell in 1960, but have resisted solution by standard methods. Here we present the general solution by superposition of singular solutions.
Circumscribe
发表于 2025-3-26 09:03:41
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accomplishment
发表于 2025-3-26 16:41:26
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obnoxious
发表于 2025-3-26 17:36:55
https://doi.org/10.1007/978-1-4757-4401-9tic deviations from strict homology occur in the structure and dynamics of bright elliptical galaxies. In addition, I will discuss possible mechanisms of dynamical evolution for these systems, in the light of some classical thermodynamical arguments and of recent N-body simulations for stellar systems under the influence of weak collisionality.
BABY
发表于 2025-3-26 22:22:43
Chaos or Order in Double Barred Galaxies?,lign generates a closed curve, which we call a loop. Loops allow us to verify consistency of the potential. As maps of doubly periodic orbits, loops can be used to search the phase-space in double bars in order to determine the fraction occupied by ordered motions.
臭了生气
发表于 2025-3-27 02:06:59
Jeans Solutions for Triaxial Galaxies,ing moments form a closed system of three highly-symmetric coupled first-order partial differential equations in three variables. They were first derived by Lynden-Bell in 1960, but have resisted solution by standard methods. Here we present the general solution by superposition of singular solutions.