Distinct Scaling Regimes of Energy Release Dynamics in the Nighttime MagnetosphereBased on a spatiotemporal analysis of POLAR UVI images, we show that the auroral emission events that initiate equatorward of the isotropic boundary (IB) obtained from a time-dependent empirical…V. M. Uritsky, E. Donovan, A. J. Klimas et al.·Jul 3, 2008SaveLearn
The Anomalous Acceleration of the Pioneer SpacecraftsRadiometric data from the Pioneer 10 and 11 spacecrafts have revealed an unexplained constant acceleration of aA = (8.74 +/- 1.33) x 10(-10) m s(-2) towards the Sun, also known as the Pioneer…Jose A. de Diego·Jul 3, 2008SaveLearn
Thermal Analysis of the Pioneer Anomaly: A method to estimate radiative momentum transferWe present a methodology based on point-like Lambertian sources that enables one to perform a reliable and comprehensive estimate of the overall thermally induced acceleration of the Pioneer 10 and…Orfeu Bertolami, Frederico Francisco, Paulo J. S. Gil et al.·Jul 1, 2008SaveLearn
Dependence of vertical cutoff rigidities and magnetospheric transmission on empiric parametersUsing dynamic paraboloid model of Earth's magnetosphere, a large set of particles' trajectory computations was performed. Based on its result, the numerical algorithm for calculating…Vladimir V. Petrukhin·Jun 23, 2008SaveLearn
The Titius-Bode Law Revisited But Not RevivedThe present article gives a detailed analysis of the new formulation of Titius-Bode law by (Poveda, Lara 2008) and of the hypothesis that this law may exist in extra-solar planetary system. A…Ivan Kotliarov·Jun 21, 2008SaveLearn
Extraterrestrial nucleobases in the Murchison meteoriteCarbon-rich meteorites, carbonaceous chondrites, contain many biologically relevant organic molecules and delivered prebiotic material to the young Earth. We present compound-specific carbon isotope…Zita Martins, Oliver Botta, Marilyn L. Fogel et al.·Jun 13, 2008SaveLearn
Study of reconnection-associated multi-scale fluctuations with Cluster and Double StarThe objective of the paper is to asses the specific spectral scaling properties of magnetic reconnection associated fluctuations/turbulence at the Earthward and tailward outflow regions observed…Z. Vörös, R. Nakamura, V. Sergeev et al.·Jun 11, 2008SaveLearn
Minimum Dissipative Relaxed States Applied to Laboratory and Space PlasmasThe usual theory of plasma relaxation, based on the selective decay of magnetic energy over the (global) magnetic helicity, predicts a force-free state for a plasma. Such a force-free state is…Dastgeer Shaikh, B. Dasgupta, Q. Hu et al.·May 8, 2008SaveLearn
Current Problems of Magnetic Storm Prediction and Possible Ways of Their SolvingMain problems of magnetic storm prediction and causes of low efficiency of medium-term prognosis are discussed. It is supposed, that possible way of their solving is searching for poor-investigated…Olga Khabarova·May 5, 2008SaveLearn
Self-consistent interaction of neutrals and shocks in the local interstellar mediumThe problem of hydrogen neutrals interacting with the heliospheric bow shock region has received considerable attention recently, motivated primarily by the hope that the Voyager spacecraft may soon…Dastgeer Shaikh, G. P. Zank, N. Pogorelov·Apr 2, 2008SaveLearn
Non Kolmogorov-like Turbulence in the Local Interstellar MediumWe develop a self-consistent model of turbulence in a local interstellar medium (ISM). The model describes a partially ionized magnetofluid ISM in which a neutral hydrogen fluid interacts with a…Dastgeer Shaikh·Apr 1, 2008SaveLearn
Comment on "CAWSES November 7-8, 2004, superstorm: Complex solar and interplanetary features in the post-solar maximum phase" by B. T. Tsurutani, E. Echer, F. L. Guarnieri, and J. U. KozyraRecently Tsurutani et al., (2008) (Paper 1) analyzed the complex interplanetary structures during 7 to 8 November, 2004 to identify their properties as well as resultant geomagnetic effects and the…V. G. Eselevich, V. M. Bogod, I. V. Chashey et al.·Apr 1, 2008SaveLearn
Passive Convection of Density Fluctuations in the Local Interstellar MediumWe have developed a time-dependent three-dimensional model of isotropic, adiabatic, and compressible magnetohydrodynamic plasma to understand nonlinear cascades of density fluctuations in local…Dastgeer Shaikh, G. P. Zank·Apr 1, 2008SaveLearn
Comment on "Using Three-Body Recombination to Extract Electron Temperatures of Ultracold Plasmas"In the recent work Fletcher et al. [Phys. Rev. Lett., v.99, p.145001 (2007)] reported on the novel experimental technique, enabling to measure the temperature of the expanding ultracold plasmas over…Yurii V. Dumin·Mar 17, 2008SaveLearn
Does human activity widen the tropics?The progress article - Widening of the tropical belt in a changing climate - by Seidel et al. (2008) published in the first issue of Nature Geosciences, summarizes the results of several methods to…Katya Georgieva, Boian Kirov·Mar 13, 2008SaveLearn
Full-scale simulation study of a generalized Zakharov model for the generation of topside ionospheric turbulenceWe present a full-scale simulation study of a generalized Zakharov model for the generation of the topside electrostatic turbulence due to the parametric instability during ionospheric heating…Bengt Eliasson·Mar 7, 2008SaveLearn
Hybrid simulations of mini-magnetospheres in the laboratorySolar energetic ions are a known hazard to both spacecraft electronics and to manned space flights in interplanetary space missions that extend over a long period of time. A dipole-like magnetic…L. Gargaté, R. Bingham, R. A. Fonseca et al.·Feb 1, 2008SaveLearn
Parker Problem in Hall MagnetohydrodynamicsParker problem in Hall magnetohydrodynamics (MHD) is considered. Poloidal shear into the toroidal flow generated by the Hall effect is incorporated. This is found to lead to a triple deck…Bhimsen K. Shivamoggi·Jan 30, 2008SaveLearn
Comment on "Geoeffectiveness of halo coronal mass ejections" by N. Gopalswamy, S. Yashiro, and S. AkiyamaComment on paper: Gopalswamy, N., S. Yashiro, and S. Akiyama (2007), Geoeffectiveness of halo coronal mass ejections, J. Geophys. Res., 112, A06112, doi:10.1029/2006JA012149 Gopalswamy et al. [2007]…Yu. I. Yermolaev·Jan 17, 2008SaveLearn
Application of afxy-code for parameterization of ionization yield function Y in the atmosphere for primary cosmic ray protonsIn this work is obtained new approximation for the yield function Y for cosmic ray induced ionization in the Earth atmosphere on the basis of simulated data. The parameterization is obtained using…L. Alexandrov, A. Mishev·Dec 19, 2007SaveLearn
Deformation of electron holes in phase space as prerequisite for narrow band maser emission: A qualitative discussionA qualitative discussion is given of the role electron holes play in generating fine structure on the electron cyclotron maser radiation. It is argued that electron holes become deformed in phase…R. A. Treumann, C. H. Jaroschek, R. Pottelette·Dec 2, 2007SaveLearn
Solar cycle dependence of spatial correlation in the solar windWe investigate the spatial correlation properties of the solar wind using simultaneous observations by the ACE and WIND spacecraft. We use mutual information as a nonlinear measure of correlation and…R. T. Wicks, S. C. Chapman, R. O. Dendy·Nov 29, 2007SaveLearn
Physics of Atmospheric Electric Discharges in Gases: An Informal IntroductionA short account of the physics of electrical discharges in gases is given in view of its historical evolution and application to planetary atmospheres. As such it serves as an introduction to the…R. A. Treumann, Z. Klos, M. Parrot·Nov 11, 2007SaveLearn
Structure on Interplanetary Shock Fronts: Type II Radio Burst Source RegionsWe present in situ observations of the source regions of interplanetary (IP) type II radio bursts, using data from the Wind spacecraft during the period 1996-2002. We show the results of this…M. Pulupa, S. D. Bale·Nov 7, 2007SaveLearn
Physics Engineering in the Study of the Pioneer AnomalyThe Pioneer 10/11 spacecraft yielded the most precise navigation in deep space to date. However, their radio-metric tracking data received from the distances between 20--70 astronomical units from…Slava G. Turyshev, Viktor T. Toth·Oct 1, 2007SaveLearn