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Galactic Dynamics
Two of the world’s leading astrophysicists, James Binney and Scott Tremaine, here present a comprehensive review of the theory of galactic dynamics at a level suitable for both graduate students andExpand
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The Formation and Extent of the Solar System Comet Cloud
The formation of the solar system comet cloud and its subsequent evolution over an interval equal to the age of the solar system are simulated. Assuming that the comets formed in the outer planetaryExpand
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Selection bias in observing the cosmological evolution of the M-σ- and M-L relationships
Programs to observe evolution in the M?-? or M?-L relations typically compare black hole masses, M?, in high-redshift galaxies selected by nuclear activity to M? in local galaxies selected byExpand
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The influence of the Galactic tidal field on the Oort comet cloud
We examine the effect of the Galactic disk potential on the Oort cloud. The tidal force from the disk produces a slow drift of a comet's orbital angular momentum, J. If J is reduced below a criticalExpand
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The long-term evolution of orbits in the solar system: A mapping approach
Abstract We derive a mapping that approximates the restricted circulat three-body problem (Sun, planet, test particle) when the eccentricity ofr test particle is small and its semimajor axis is closeExpand
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Dynamical Role of Light Neutral Leptons in Cosmology
Using the Vlasov equation, we show that massive galactic halos cannot be composed of stable neutral leptons of mass \ensuremath{\lesssim} 1 MeV. Since most of the mass in clusters of galaxiesExpand
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A Three Million Year Integration of the Earth's Orbit
The equations of motion of the nine planets and the Earth's spin axis are integrated for 3.05 million years into the past. The equations include the dominant relativistic corrections and correctionsExpand
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Maximum-likelihood method for estimating the mass and period distributions of extrasolar planets
We investigate the distribution of mass M and orbital period P of extrasolar planets, taking account of selection effects caused by the limited velocity precision and duration of existing surveys. WeExpand
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The frequency and intensity of comet showers from the Oort cloud
Abstract We simulate the Oort comet cloud to study the rate and properties of new comets and the intensity and frequency of comet showers. An ensemble of ∼10 6 comets is perturbed at random times byExpand
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Non-axisymmetric, scale-free, razor-thin discs
Galaxies exhibit a variety of non-axisymmetric structure (bars, spiral structure, lopsided structure, etc.). These suggest the following general problem: what are the possible stationaryExpand
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