... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Risks Comparable to NEOs . ... The Increasing Rate of Discovery of Asteroids . ... Comet and Asteroid Collision Probabilities . ... Extreme albedo comets and the impact hazard (PDF Format) . ... Asteroid Impact Animations . ... Workshop on Scientific Requirements for Mitigation of Hazardous Comets and Asteroids - 2002 . ... The Spaceguard Survey Report, 1992 (PDF) . Tsunami from Asteroid/Comet Impacts . ...

... Credit Copyright: International Fermi Large Area Telescope Collaboration , NASA , DOE Explanation: For an Earth-orbiting gamma-ray telescope, Earth is actually the brightest source of gamma-rays , the most energetic form of light. ... While that interaction blocks harmful radiation from reaching the surface, those gamma-rays dominate in this remarkable Earth and sky view from the orbiting Fermi Gamma-ray Space Telescope's Large Area Telescope. ... Earth and Milky Way from Space . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Stars . ... Starbursts are short-lived events, stars are forming so quickly that the reservoirs of interstellar gas from which stars are coalescing would be used up on a timescale much shorter than the age of the galaxy . ... Strong stellar winds from giant new stars in the starburst region combine with the blasts of supernovae to push a mighty flood of extremely hot gas, a ?superwind? from the galaxy thousands of light years into intergalactic space. ...

Jupiter is the largest of the nine planets, more than 10 times the diameter of Earth and more than 300 times its mass. ... The mean density of Earth is 5.245 times that of water. The pull of gravity on Jupiter at the top of the clouds at the equator is 2.4 times as great as gravity's pull at the surface of Earth at the equator. ... It is tipped about 11њ to Jupiter's axis of rotation, similar to Earth's, but it is also offset from the center of Jupiter by about 10,000 kilometers (6,200 miles). ...

... Research objects and scientific purposes . Space scientific program includes development and launch of two supersmall spacecrafts "Universitetskiy" and "Kompas-2" intended for monitoring of radiation conditions near the Earth. ... All the studies conducted in the near-Earth space are characterised by strong radiation fields. ... The circular polar orbits, which cover all the near-Earth space, are the most favorable for comprehensive studies of the radiation conditions near the Earth. ...

Internet Sites | Children's Books | ... Tilt of the Earth - Beautiful site explaning the tilt of the Earth. ... Nine Planets: Planet Data - It might be fun to discover how tilted the other planets are in the Solar System! ... Bill Nye the Science Guy-Episode: Climates - Learn a bit about the Earth's climates and make a model of a weather system. Weather Links for Teachers and Parents - Nick the Weather Dude's list of useful links about weather. ... Philomel Books, 1995. ... Tilt-A-World | ...

... A.V. Eliseev . ... V.V. Adushkin, A.V. Vityazev, D.O. Glazachev, G.V. Pechernikova . Exogenous factors in the evolution of the Earth. ... Cosmic rays as a factor of biospheric evolution . ... A.V. Yakushev, N.A. Churilin, V.S. Soina, A.G. Kudinova, E.A. Vorobyova, N.S. Mergelov . ...

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... Antenna system . ... The Irkutsk incoherent scatter radar is one of the world's nine active radars which give the opportunity to investigate ionosphere by the incoherent scatter method. ... Antenna gain coefficient . ... Antenna . ... Two antennas . ... To get an idea what station "Dnepr" antenna system looks like, let us consider some of the radar views which are given by the photographs General view and Side view . ...

Class 1 Introduction, Background History of Modern Astronomy The Night Sky, Eclipses and the Seasons Kepler's Laws Newtonian Gravity General Relativity Matter and Light Telescopes Class 2 Solar System Characteristics Formation Exosolar Planets Class 3 Stars The Sun Stellar Evolution of Low and High Mass Stars Deaths of Stars Exotic Stars Class 4 Galaxies Galaxy Classification Formation of Galaxies Galactic Evolution ... So far, one planet has been studied by this method. ...

Teaching courses . for student of the Department of Astrophysics and Stellar Astronomy . ... Geophysics and physics of the planets (Kurt, Panteleev) . ... Close Binary Stars . ... Solar Physics . ... This is introductory course for students of the third year of education which are familiar with elementary astronomy and general physics. ... The one-year course includes theory of radiation transfer, theory of internal stellar structure with account of binary systems with compact comapnions. ...

... galaxies: bulges galaxies: clusters: general galaxies: clusters: individual: . ... star formation statistics stellar content structure Cosmology ( cosmology :) cosmic background radiation ( cosmology :) cosmological parameters cosmology : miscellaneous cosmology : observations cosmology : theory ( cosmology :) dark ages, reionization, first stars ( cosmology :) dark energy ( cosmology :) dark matter ( cosmology :) diffuse radiation ( cosmology :) distance scale ( cosmology :) early Universe (...

... Problems of Developing and Near-Earth Environmental Protection. Electromagnetic and Corpuscular Radiation of Sun as the Main Factors of Near-Earth Environment Forming. Solar UV and X-Rays. ... Ionosphere. ... Dynamic of Ionosphere Plasma.Ionosphere Conductance. ... Magnetosphere. ... Energetic Particles Motion in Magnetosphere. ... Auroral Particles and Phenomenons in Auroral Borealis Zones. ... Auroral Particles Invasion of Atmosphere and Its Effects - Auroral Borealis, Ionization, Heating. ...

... 13 , 147-173 (1985). ... V. P. Tishkovets, ``Light scattering by clusters of spherical particles. ... M.I. Mishchenko, L.D. Travis and A.A. Lacis, Scattering, Absorbtion and Emission of Light by Small Particles . ... L. Thang, Z. Chen, S. Oh, R. J. Marks, and A. T. C. Chang, ``Inversion of snow parameters from passive microwave remote sensing measurements by a neural network trained with a multiple scattering model,`` IEEE Trans. ... Remote Sens. , 30 , 1015-1024 (1992). root 2003-04-11 ...

... 4 November 1994 . orbit . ... 0.0128 . ... orbit period . ... satellite mass . 1950 kg . scientific payload mass . 550 kg . ... For more information send a mail to: info@sputnik.infospace.ru . 1997-2002 SMIS IKI RAN and SRC "PLANETA" Moscow, Russia. ...

Next: Гвоздев Александр Александрович (ЯрГУ) Up: abstracts Previous: Гусаков Михаил Евгеньевич (ФТИ РАН) . Antiprotons Stored in the Planetary Magnetospheres as a Fuel for Future Space Missions We show that the Earth and other planets having the magnetospheres possess the antiproton radiation belts created due to the galactic cosmic ray nuclear interactions with the residual atmosphere. ...

. Cosmology . Very Early Universe . Cosmic Microwave Background Anisotropy . Dark Matter Models . Large Scale Structure . High Energy Astrophysics . Active Galactic Nuclei . Astrophysics of Compact Objects . Accretion Disks . Scientific Staff:

... 3 ­ Sternberg State Astronomical Institute, Moscow, :jeanna@sai.msu.ru The graphic method of the analysis of an arrangement of linear structural elements on geographical and geological maps of continents (A.V.Dolitsky, [1]) has allowed to find out global stress fields of the past and among them one which directions (the main normal and maximal tangents) describe more than 80 % of all linear elements of a relief. ... The found poles share program way on density of an arrangement on 3-4 groups. ...

Stellarium 0.12.3 . ... Classes . ... Planet::SharedPlanetGraphics Struct Reference . ... More... #include < Planet.hpp > . ... Lazily initialize the data, using given renderer to create textures/shader. ... Shader used to draw the planet (with lighting), if lighting is used and GLSL is supported. ... Shader used to draw the planet (with lighting and shadowing). ... Lazily initialize the data, using given renderer to create textures/shader. bool Planet::SharedPlanetGraphics::loadPlanetShaders . ...

... This paper presents the TAROT-2 project an automatic, autonomous observatory. Its main objectives are the study of cosmic Gamma-Ray bursts and the detection of extrasolar planets. ... 1999; Bo?r et al. 2000), an automated telescope mainly devoted to the observation of cosmic gamma-ray bursts. This telescope has achieved a high degree of autonomy, being able to process the requests, establish its own schedule, and process the observations to produce a source list matched with several catalogs. ...

... Spacecraft that will search for planetary systems around 40 million stars and observe the largest explosions in the universe have been chosen as the next two missions in NASA's medium-class Explorer (MIDEX) program. ... The first mission, to be launched in 2003, is the Swift Gamma Ray Burst Explorer, a three-telescope space observatory for studying gamma ray bursts. ... During its three-year mission, Swift will also survey the sky for new black holes and other sources of cosmic gamma rays. ...