![Star Formation in Isolated Disk Galaxies. I. Models and](http://s1.studyres.com/store/data/017141733_1-d9cb53374c7666d7725b6cee9a432f1a-300x300.png)
Star Formation in Isolated Disk Galaxies. I. Models and
... positions as we vary the number of the processors. The unmodified GADGET v1.1 also shows such small deviations as processor number is changed. These variations are due to the differences in the extent of the domain on each processor. When the force on a particular particle is computed, the force exe ...
... positions as we vary the number of the processors. The unmodified GADGET v1.1 also shows such small deviations as processor number is changed. These variations are due to the differences in the extent of the domain on each processor. When the force on a particular particle is computed, the force exe ...
Comparisons of Frequency Dependence and Poynting Flux
... while the similarity in MLT, the proximity of the transition to the lobe field lines and the latitudinal width of the region of observed Alfven waves in the data from each spacecraft indicate a very close mapping of field lines, the differences in orbital velocity, region thickness and motion of th ...
... while the similarity in MLT, the proximity of the transition to the lobe field lines and the latitudinal width of the region of observed Alfven waves in the data from each spacecraft indicate a very close mapping of field lines, the differences in orbital velocity, region thickness and motion of th ...
Unresolved Stellar Populations
... • An SSP generally fades and becomes redder with increasing age due to the decrease of the MS extension and He-burning luminosity. These general trends are briefly interrupted, especially when the K band is involved, by the appearance of a large number of red He-burning stars at several ×107 yrs and ...
... • An SSP generally fades and becomes redder with increasing age due to the decrease of the MS extension and He-burning luminosity. These general trends are briefly interrupted, especially when the K band is involved, by the appearance of a large number of red He-burning stars at several ×107 yrs and ...
Action-at-a-Distance and Local Action in Gravitation
... of action from the historical, theoretical and empirical standpoints. The “Newtonian” mode of action -at-a-distance (AAAD)—in which Newton himself did not believe—is followed through three centuries, though the aim is not historical accuracy. This approach includes several Webertype theories of velo ...
... of action from the historical, theoretical and empirical standpoints. The “Newtonian” mode of action -at-a-distance (AAAD)—in which Newton himself did not believe—is followed through three centuries, though the aim is not historical accuracy. This approach includes several Webertype theories of velo ...
Collective Coherent Oscillation Plasma Modes in Surrounding
... In a black hole, gravity is so strong that space is so sharply curved that the gas of the interstellar media is compressed and becomes dense, and like any hot gas, emits radiation in the form of radio waves, visible light, and x -rays. This electromagnetic field effect across the event horizon actin ...
... In a black hole, gravity is so strong that space is so sharply curved that the gas of the interstellar media is compressed and becomes dense, and like any hot gas, emits radiation in the form of radio waves, visible light, and x -rays. This electromagnetic field effect across the event horizon actin ...
On dynamical scattering of Kuiper Belt Objects in 2:3 resonance with
... smaller than 45 AU are most likely of chaotic nature with a Lyapunov time of about a million years. Subsequently, a number of authors have performed simulations with longer dynamical times and larger samples of test particles (Levison & Duncan, 1993; Holman & Wisdom, 1993; Duncan et al., 1995). The ...
... smaller than 45 AU are most likely of chaotic nature with a Lyapunov time of about a million years. Subsequently, a number of authors have performed simulations with longer dynamical times and larger samples of test particles (Levison & Duncan, 1993; Holman & Wisdom, 1993; Duncan et al., 1995). The ...
Why do naked singularities form in gravitational collapse?
... In the past decade or so, several scenarios have been discovered where the gravitational collapse of a massive matter cloud results in the development of a naked singularity [1]. The final outcome of gravitational collapse in general relativity is an issue of great importance and interest from the p ...
... In the past decade or so, several scenarios have been discovered where the gravitational collapse of a massive matter cloud results in the development of a naked singularity [1]. The final outcome of gravitational collapse in general relativity is an issue of great importance and interest from the p ...
Negative-energy waves in a plasma with structured magnetic fields
... energy waves, a nonlinear "explosive" instability can occur in it. Finally, if the velocity of the relative motion exceeds a second threshold (if the first velocity threshold is exceeded, there is an instability with respect to the excitation of negative-energy waves) a coarser (linear) instability ...
... energy waves, a nonlinear "explosive" instability can occur in it. Finally, if the velocity of the relative motion exceeds a second threshold (if the first velocity threshold is exceeded, there is an instability with respect to the excitation of negative-energy waves) a coarser (linear) instability ...
Gravitational Constants, the Earth`s Expansion and Coriolis Gravity
... Interpretation of Gravity The sun's differential rotation is one of the most amazing dynamic solar facts, and it has not been explained properly yet. It seems that it driven by the solar fusion, but maybe it is simply caused by expelling light, or by what is commonly called “gravitons”, though it is ...
... Interpretation of Gravity The sun's differential rotation is one of the most amazing dynamic solar facts, and it has not been explained properly yet. It seems that it driven by the solar fusion, but maybe it is simply caused by expelling light, or by what is commonly called “gravitons”, though it is ...
This presentation
... “Gamma Rays” http://www.smgaels.org/physics/gamm_1.htm “Gamma-Ray Burst Physics” http://www.astro.psu.edu “How do scientists’see’ gamma rays” http://imagine.gsfc,nasa.gov “Gamma-Rays,” http://astrosun.tn.cornell.edu “Gamma-rays” http://imagers.gsfc.nasa.gov/ems/gamma.html ...
... “Gamma Rays” http://www.smgaels.org/physics/gamm_1.htm “Gamma-Ray Burst Physics” http://www.astro.psu.edu “How do scientists’see’ gamma rays” http://imagine.gsfc,nasa.gov “Gamma-Rays,” http://astrosun.tn.cornell.edu “Gamma-rays” http://imagers.gsfc.nasa.gov/ems/gamma.html ...
Plane wave
... parallel planes of constant peak-to-peak amplitude normal to the phase velocity vector. It is not possible in practice to have a true plane wave; only a plane wave of infinite extent will propagate as a plane wave. However, many waves are approximately plane waves in a localized region of space. The ...
... parallel planes of constant peak-to-peak amplitude normal to the phase velocity vector. It is not possible in practice to have a true plane wave; only a plane wave of infinite extent will propagate as a plane wave. However, many waves are approximately plane waves in a localized region of space. The ...
Search for giant planets in M67 III: excess of Hot Jupiters in dense
... our parallel work (Brucalassi et al. 2016 sub.). Our values are higher than what derived from the RV surveys around FGK stars (1.2% ± 0.38 of HJs Wright et al. 2012). The comparison is even more striking when considering that the Kepler 1 statistics of HJs is lower, around 0.4% (Howard et al. 2011). ...
... our parallel work (Brucalassi et al. 2016 sub.). Our values are higher than what derived from the RV surveys around FGK stars (1.2% ± 0.38 of HJs Wright et al. 2012). The comparison is even more striking when considering that the Kepler 1 statistics of HJs is lower, around 0.4% (Howard et al. 2011). ...
formation of z 6 quasars from hierarchical
... Inst. for Cosmological Physics, Dept. of Astronomy & Astrophysics, Univ. of Chicago, 933 East 56th Street, Chicago, IL 60637, USA 3 Max-Planck-Institute for Astrophysics, Karl-Schwarzschild-Str. 1, 85740 Garching, Germany 4 Inst. for Computational Cosmology, Dep. of Physics, Univ. of Durham, South R ...
... Inst. for Cosmological Physics, Dept. of Astronomy & Astrophysics, Univ. of Chicago, 933 East 56th Street, Chicago, IL 60637, USA 3 Max-Planck-Institute for Astrophysics, Karl-Schwarzschild-Str. 1, 85740 Garching, Germany 4 Inst. for Computational Cosmology, Dep. of Physics, Univ. of Durham, South R ...
The influence of negatively charged, heavier
... Low frequency turbulence, in the frequency range of 10 – 300 Hz, has been observed in the plasma environment of comet Halley. Wave studies in a H – O+ plasma have been carried out by a number of authors and the results have been applied for the explanation of these waves. However, as mentioned above ...
... Low frequency turbulence, in the frequency range of 10 – 300 Hz, has been observed in the plasma environment of comet Halley. Wave studies in a H – O+ plasma have been carried out by a number of authors and the results have been applied for the explanation of these waves. However, as mentioned above ...
Observations of ubiquitous compressive waves in the Sun`s
... slow magnetosonic modes). Although the full MHD spectrum of permitted wave modes in realistic inhomogeneous solar MFTs is rich and complex, in practice, due to limits in spatial resolution, most of the wave power observed so far has been confined to the low order azimuthal wave number modes, i.e., t ...
... slow magnetosonic modes). Although the full MHD spectrum of permitted wave modes in realistic inhomogeneous solar MFTs is rich and complex, in practice, due to limits in spatial resolution, most of the wave power observed so far has been confined to the low order azimuthal wave number modes, i.e., t ...
A seismic and gravitationally-bound double star observed by Kepler
... seismic binaries in the Kepler data set. There have been three pairs of binary stars that were observed by Kepler. The pair 16 Cyg A and 16 Cyg B is a pair for which solar-like p modes were observed (Metcalfe et al. 2012). Unfortunately, although these two stars are gravitationally bound, the orbita ...
... seismic binaries in the Kepler data set. There have been three pairs of binary stars that were observed by Kepler. The pair 16 Cyg A and 16 Cyg B is a pair for which solar-like p modes were observed (Metcalfe et al. 2012). Unfortunately, although these two stars are gravitationally bound, the orbita ...
Large-scale numerical simulations of ion beam instabilities in
... instability is examined using particle-in-cell simulations, with initial parameters which are representative of SNR shocks. For simplicity, the magnetic field is taken to be strictly zero. It is shown that the instability saturates as a result of electrons being trapped by the wave potential. Subseq ...
... instability is examined using particle-in-cell simulations, with initial parameters which are representative of SNR shocks. For simplicity, the magnetic field is taken to be strictly zero. It is shown that the instability saturates as a result of electrons being trapped by the wave potential. Subseq ...
IXO as an observatory in the large telescopes era
... central black holes. Any understanding of the formation of galaxies, and their subsequent evolution, will therefore be incomplete without similarly intensive observations of the accretion light from supermassive black holes (SMBHs) in galactic nuclei. To make further progress, we need to chart the f ...
... central black holes. Any understanding of the formation of galaxies, and their subsequent evolution, will therefore be incomplete without similarly intensive observations of the accretion light from supermassive black holes (SMBHs) in galactic nuclei. To make further progress, we need to chart the f ...