... For the past years I have been working on the problem of synthesis of light curves of close binary systems, consisting of a normal star and a compact object (point object with fixed X-ray luminosity). ... Possible existence of a bright spot on the disk's lateral surface is taken into account. ... The last of then will be published in Gordon and Breach Publishers ( Cherepashchuk A.M., Katysheva N.A., Khruzina T.S., Shugarov S.Yu. ... Cherepashchuk A.M., Katysheva N.A., Khruzina T.S., Shugarov S.Yu. ...

Europa ("yoo ROH puh") is the sixth of Jupiter 's known satellites and the fourth largest; it is the second of the Galilean moons. ... Discovered by Galileo and Marius in 1610. ... But Europa's surface is not at all like anything in the inner solar system. ... The images of Europa's surface strongly resemble images of sea ice on Earth. It is possible that beneath Europa's surface ice there is a layer of liquid water , perhaps as much as 50 km deep, kept liquid by tidally generated heat. ...

Lessons learned from the Thirty Meter Telescope site testing Tony Travouillon Sebastian Els, Angel Otarola, Reed Riddle, Matthias Schoeck, Warren Skidmore TMT.XXX.PRE.05.0XX.DRF01 1 Introduction TMT and its Site testing. Important choice before going on site. ... Considerations during analysis of the data. TMT.XXX.PRE.05.0XX.DRF01 2 Some Background about the TMT Site Testing TMT is a 30m, segmented, RitcheyChretien telescope design. ... ASCA Cloud Cover Analysis So how do we do it in practice? ...

The Sun 65 Joule heating of plasma in current-carrying coronal magnetic loops V.V. Zaitsev1 , A.A. Stepanov 1 2 2 Institute of Applied Physics, Nizhny Novgorod, Russia Central Astronomical Observatory, Pulkovo, St.Peterburg, Russia Introduction Already rst X-ray observations made on "Skylab" in 1969 Vaiana, et al., 1970 have shown that solar corona consists of a lots of magnetic eld loops, lled with a hot plasma. ... In this case the magnetic eld of the tube is approximately parallel to the z, axis. ...

... SUPER RATIO . ... On this page I will present the most important (on my opinion) idea on Intellegence Life in the Universe . ... On the problem of the Super Ratio in astrophysics" . ... As a matter of fact, this is the main problem of the modern natural science. ... Here I shall try to speak about the most important problem of the modern natural science, the problem which is undoubtedly, of more importance than discovery of Blacks Holes, creation of Grand Unification Theory or Artificial...

Advances in Space Research 36 (2005) 1595ґ1603 www.elsevier.com/locate/asr Solar origins of intense geomagnetic storms in 2002 as seen by the CORONAS-F satellite O. Panasenco a,*, I.S. Veselovsky a,b, A.V. Dmitriev a,h, A.N. Zhukov a,i, O.S. Yakovchouk a, I.A. Zhitnik c, A.P. Ignatуev ... 2002; Huttunen et al., ... Event 279 This is a member of another vast recurrent series of geomagnetic storms observed during many solar rotations in the second half of 2002 and the spring of 2003. ...

THE SUPERCRITICAL PILE GRB MODEL : AFTERGLOWS AND GRB , XRR, XRF UNIFICATION Demosthenes Kazanas1 , Apostolos Mastichiadis2 , and Markos Georganopoulos Astrophysics Science Division, ... MD 21250 2 1 1,3 3 ABSTRACT We present the general notions and observational consequences of the Supercritical Pile GRB model ; the fundamental feature of this model is a detailed process for the conversion of the energy stored in relativistic ... The dissipation of the RBW kinetic energy. ...

The Star called the Sun. The Sun as the star . ... The visible star value . ... Spectrum class . ... 149 597 870 km . ... The Solar energy sourse is the core transformation of the Sun, where temperature is 15 000 000 K. The energy from inside is carried by irradiation and then in the external layer with 0,2 Ra of thikness - by convection. ... The Earth, situating far from the Sun (149 mil km), receives about 2.1017 W of the Solar beam energy (see item "The Solar constant" ). ...

... By using the tools of sections (20) and (21), the mathematics of approximate solutions developed in (M-5), and assuming all orbits are circles, it is a relatively straightforward job to calculate the distance to the Lagrangian L1 point (or to L2). ... Let the gravitational constant be denoted by G , the mass of the Sun by M , that of Earth by m , the Earth's distance from the Sun by r and its velocity in its orbit by v . ... GMm / r 2 = mv 2 / r . and multiplying both sides by r / m . ...

INTERNATIONAL ISO WD STANDARD Working draft ______________________________________________________________ Space environment (natural and artificial) Earth's ionosphere and plasmasphere. ... In the present International Standard the appendixes A and B are of informative nature only. ISO WD CONTENTS 1. ... Information presented in the each table about mean values of Ne, Te and Nu includes: - information line (first); - mean values of one of parameters for conditions given in the information line. ...

Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. ... Licensor" shall mean the copyright owner or entity authorized by the copyright owner that is granting the License. ... Work" shall mean the work of authorship, whether in Source or Object form, made available under the License, as indicated by a copyright notice that is included in or attached to the work (an example is provided in the Appendix below). ...

... Searching for Far Out and Wandering Worlds . ... The Real Reality Show: Would aliens be anything like us? ... The SETI Institute is after alien signals. Assuming another world is beaming a 1-million-watt radio signal in our direction, how far away can that source be before the signal is lost in intergalactic noise? ... Get instant access to subscriber content on Astronomy.com! ... If you are already registered on Astronomy.com, please log in below. ...

A Venus Landing . ... Credit Copyright: Soviet Planetary Exploration Program, NSSDC Explanation: This image is part of the first color panoramic view from Venus . A TV camera on the Soviet Venera 13 lander that parachuted to the surface on 1982 March 1 transmitted it. ... An earlier Soviet Venus lander, Venera 7 (1970), was the first spacecraft to return data from the surface of another planet. ... NASA Web Site Statements, Warnings, and Disclaimers . NASA Official: Jay Norris. ...

... Content Model: Optional list header (LH), followed by one or more terms (DT) and definitions (DD). A definition list is a list of terms and corresponding definitions. Definition lists are typically formatted with the term on the left with the definition following on the right or on the next line. ... The definition list element can take the COMPACT attribute, which suggests that a compact rendering be used, and is appropriate if the list elements are small and/or the entire list is large. ...

. Russian (WIN) . 10-27/2/1999 . 6-28/1/1999 . For more information send a mail to: info@sputnik.infospace.ru . ? 1998-2002 SMIS IKI RAN and SRC "PLANETA" Moscow, Russia.

. -!> download . Left: Consequtive explosion of 20 supernovae during 30 Myr. Right: Single hypernova (GRB) explosion with the total energy equivalent to 20 supernovae. The simulation was performed using a 2D Eulerian hydro code. The animation was done using IDL. -!>

The MIT License ( MIT ) Copyright (c) 2015 John Kielkopf Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the Software ), to deal in the Software without restriction, including without limitation the rights to use , copy , modify, merge, publish, distribute, sublicense, and/or sell copies of the ...

Blueshifted galaxies in the Virgo cluster I. D. Karachentsev, O. G. Nasonova (Kashibadze), Special Astrophysical Observatory, Russia We consider a sample of 65 galaxies with negative radial velocities with respect to the Lo cal group in the Virgo cluster. ... E, S0 20 ° The radial velo city VLG ґ magnitude mB distribution of sample ob jects. ... The centroid drift for galaxies ranged by VLG from zero to the extremal negative velo city (-866 km/s). ...

Subject, Problems and Objects of Theoretical Astrophysics. ... Stellar Photospheres, Their Features. ... Physics of Continuous Radiation Absorption in Stellar Photospheres. ... Continuous Radiation Absorption in Stellar Photospheres of Various Spectral Classes. Solar Type Photospheres. ... Characterisics of Absorption Lines. ... Interstellar Absorption Lines, Their Features. ... Physical and Dynamic Features of Interstellar Medium, Which Follows from Observations of Interstellar Absorption Lines. ...

... Space flight . Crew training . ... honing the skills of performing the tasks of operating the orbital (suborbital) spaceship in a normal autonomous flight and in case of occurrence of off-optimum situations; . ... preparing for conducting visual observations, photographing and video filming envisaged by the flight program; . ... preparing the astronaut's body to the effect of space flight factors, honing the skills of operating the spaceborne medical facilities, rendering self and mutual aid; . ...