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... binary systems from existing ompa t and normal stars through stellar intera tions. In a GC, the stellar densities are suÆ ient to allow for tidal apture (Fabian et al. 1975) or three-body aptures (Hills 1975) of neutron stars by normal stars. These ollisions an o ur throughout the lifetime of ...
... binary systems from existing ompa t and normal stars through stellar intera tions. In a GC, the stellar densities are suÆ ient to allow for tidal apture (Fabian et al. 1975) or three-body aptures (Hills 1975) of neutron stars by normal stars. These ollisions an o ur throughout the lifetime of ...
Your Title Here
... the brightest star is Regulus. It is a triple system of a relatively small blue star, an orange sunlike star and a red dwarf. ...
... the brightest star is Regulus. It is a triple system of a relatively small blue star, an orange sunlike star and a red dwarf. ...
The Primordial Abundance of $^ 6$ Li and $^ 9$ be
... higher than the quoted value. An improved determination of the parallax (possible with HIPPARCOS) would be able to answer the question of the evolutionary status of HD 84937, and so would serve as a test of the ‘standard model’ (standard stellar evolution, no production of 6 Li by stellar flares, st ...
... higher than the quoted value. An improved determination of the parallax (possible with HIPPARCOS) would be able to answer the question of the evolutionary status of HD 84937, and so would serve as a test of the ‘standard model’ (standard stellar evolution, no production of 6 Li by stellar flares, st ...
How the Sun Shines
... enormous amounts of energy, thus increases the possible limit of the duration of life on this planet, and allows the time claimed by the geologist and biologist for the process of evolution. The discovery of radioactivity opened up the possibility that nuclear energy might be the origin of solar rad ...
... enormous amounts of energy, thus increases the possible limit of the duration of life on this planet, and allows the time claimed by the geologist and biologist for the process of evolution. The discovery of radioactivity opened up the possibility that nuclear energy might be the origin of solar rad ...
How the Sun Shines
... enormous amounts of energy, thus increases the possible limit of the duration of life on this planet, and allows the time claimed by the geologist and biologist for the process of evolution. The discovery of radioactivity opened up the possibility that nuclear energy might be the origin of solar rad ...
... enormous amounts of energy, thus increases the possible limit of the duration of life on this planet, and allows the time claimed by the geologist and biologist for the process of evolution. The discovery of radioactivity opened up the possibility that nuclear energy might be the origin of solar rad ...
arXiv:astro-ph/0009259 v3 12 Dec 2000
... enormous amounts of energy, thus increases the possible limit of the duration of life on this planet, and allows the time claimed by the geologist and biologist for the process of evolution. The discovery of radioactivity opened up the possibility that nuclear energy might be the origin of solar rad ...
... enormous amounts of energy, thus increases the possible limit of the duration of life on this planet, and allows the time claimed by the geologist and biologist for the process of evolution. The discovery of radioactivity opened up the possibility that nuclear energy might be the origin of solar rad ...
How the Sun Shines
... enormous amounts of energy, thus increases the possible limit of the duration of life on this planet, and allows the time claimed by the geologist and biologist for the process of evolution. The discovery of radioactivity opened up the possibility that nuclear energy might be the origin of solar rad ...
... enormous amounts of energy, thus increases the possible limit of the duration of life on this planet, and allows the time claimed by the geologist and biologist for the process of evolution. The discovery of radioactivity opened up the possibility that nuclear energy might be the origin of solar rad ...
198_1.pdf
... The heliospheric interface, formed due to the interaction between the solar wind and the local interstellar cloud (LIC), is a very complicated phenomenon where the solar wind and interstellar plasmas, interstellar neutrals, magnetic field, and cosmic rays play prominent roles. The heliosphere provid ...
... The heliospheric interface, formed due to the interaction between the solar wind and the local interstellar cloud (LIC), is a very complicated phenomenon where the solar wind and interstellar plasmas, interstellar neutrals, magnetic field, and cosmic rays play prominent roles. The heliosphere provid ...
File
... possibility at the end of its life to become a black hole that usually form at the center of the dying star where gravity starts to compress the star’s mass into one single point that there is no force that can prevent that point from collapsing on itself which forms a singularity that rips apart th ...
... possibility at the end of its life to become a black hole that usually form at the center of the dying star where gravity starts to compress the star’s mass into one single point that there is no force that can prevent that point from collapsing on itself which forms a singularity that rips apart th ...
Age patterns in a sample of spiral galaxies
... nebular recombination lines [15]. UV emission is mainly dominated by O-B type stars, with lifetimes . 108 yr [13, 15]. In contrast, the Hα line is strong only in the presence of the most massive, hot O stars (masses > 10 M , ages < 20 Myr) that have enough energy to ionize the surrounding hydrogen. ...
... nebular recombination lines [15]. UV emission is mainly dominated by O-B type stars, with lifetimes . 108 yr [13, 15]. In contrast, the Hα line is strong only in the presence of the most massive, hot O stars (masses > 10 M , ages < 20 Myr) that have enough energy to ionize the surrounding hydrogen. ...
Comparison between cross sections, saddle point and scission point
... which permits the calculation of proximity effects between the fragments that can not be included in the conventional approach. In 1 we compare GEMINI++ calculations of intermediate mass fragment charge and mass yields with the experimental data of [7, 9] for the reaction 32 S+24 Mg at Ecm =51.6 and ...
... which permits the calculation of proximity effects between the fragments that can not be included in the conventional approach. In 1 we compare GEMINI++ calculations of intermediate mass fragment charge and mass yields with the experimental data of [7, 9] for the reaction 32 S+24 Mg at Ecm =51.6 and ...
Poster - unist
... We explore the possibility that globular clusters (GCs) form within UV radiation fields. To simulate the formation of GCs under UV radiation, we solve gas and dark matter dynamics in spherical symmetry, consistently incorporating the radiative transfer of UV photons and non-equilibrium chemical reac ...
... We explore the possibility that globular clusters (GCs) form within UV radiation fields. To simulate the formation of GCs under UV radiation, we solve gas and dark matter dynamics in spherical symmetry, consistently incorporating the radiative transfer of UV photons and non-equilibrium chemical reac ...
Star Formation in the Local Milky Way
... 1978, Kroupa 2002, Chabrier 2003). In addition, infrared studies of local, very young star clusters provided independent determinations of the IMF over an even larger dynamic range in mass, from the deuterium burning limit to OB stars (e.g., Muench et al. 2002). These studies have found that the sha ...
... 1978, Kroupa 2002, Chabrier 2003). In addition, infrared studies of local, very young star clusters provided independent determinations of the IMF over an even larger dynamic range in mass, from the deuterium burning limit to OB stars (e.g., Muench et al. 2002). These studies have found that the sha ...
Cool as helium
... 1. Bell, D. C., Lemme, M. C., Stern, L. A., Williams, J. R. & Marcus, C. M. Nanotechnology 20, 455301–455305 (2009). 2. Pimentel, G. C., Spratley, D. & Miller, A. R. Science 259, 143 (1964). ...
... 1. Bell, D. C., Lemme, M. C., Stern, L. A., Williams, J. R. & Marcus, C. M. Nanotechnology 20, 455301–455305 (2009). 2. Pimentel, G. C., Spratley, D. & Miller, A. R. Science 259, 143 (1964). ...
High Energy Phenomena in Supergiant X-ray Binaries - HAL-Insu
... rapid outbursts lasting only for hours, faint quiescent emission, and high energy spectra requiring a BH or NS accretor. The flares rise in tens of minutes, last for ∼ 1 hour, their frequency is ∼ 7 days, and their luminosity L x ∼ 1036 erg s−1 at the outburst peak. IGR J17544-2619, archetype of SFX ...
... rapid outbursts lasting only for hours, faint quiescent emission, and high energy spectra requiring a BH or NS accretor. The flares rise in tens of minutes, last for ∼ 1 hour, their frequency is ∼ 7 days, and their luminosity L x ∼ 1036 erg s−1 at the outburst peak. IGR J17544-2619, archetype of SFX ...
Ice Core Records - Chandra X
... unique solar proton events. These peaks are several standard deviations above the mean. It is likely that these anomalies result from the primary production of nitrate (NO3-) in the atmosphere – therefore there has to be an enhanced supply of nitrate in the stratosphere. In the GSIP2-H core segment ...
... unique solar proton events. These peaks are several standard deviations above the mean. It is likely that these anomalies result from the primary production of nitrate (NO3-) in the atmosphere – therefore there has to be an enhanced supply of nitrate in the stratosphere. In the GSIP2-H core segment ...
Lecture 24 Early Universe - University of Maryland
... – Iron has the most stable nucleus – Fusing hydrogen to (eventually) iron releases energy (thus powers the star) – Further fusion of iron to give heavier elements requires energy to be put in… – Can only happen in the energetic environment of a supernova explosion – So, all heavier elements are crea ...
... – Iron has the most stable nucleus – Fusing hydrogen to (eventually) iron releases energy (thus powers the star) – Further fusion of iron to give heavier elements requires energy to be put in… – Can only happen in the energetic environment of a supernova explosion – So, all heavier elements are crea ...
P-nuclei
p-Nuclei (p stands for proton-rich) are certain proton-rich, naturally occurring isotopes of some elements between selenium and mercury which cannot be produced in either s- or r-process.