An Ancient Universe: How Astronomers Know the Vast Scale of Cosmic Time . THE SUN . The Sun. Our star, the Sun, is a powerhouse of nuclear energy, shining via a process called nuclear fusion. Deep in its core, smaller atomic nuclei are smashed together into larger ones, releasing energy each step of the way. This image, taken in 1973, from Skylab, the early US space station, shows an enormous eruption (flare) on the Sun's surface. ... The Age of the Oldest Stars . ...
NASA JOHNSON SPACE CENTER ORAL HISTORY PROJECT BIOGRAPHICAL DATA SHEET NAME: Charles (Chuck) Franklin Bingman O RAL H ISTORY: 9 April 2000 EDUCATIONAL BACKGROUND: B.B.A., University of Wisconsin, Madison, Wisconsin, 1952 M.B.A., University ... M ILITARY EXPERIENCE: Captain, United States Army, 1951-1965 PRE-NASA CAREER: Manpower Analyst, U.S. Atomic Energy Commission, Washington , D.C . (1956-1959) NASA CAREER: Management Analyst, ... Washington, D.C.: The Academy, 1985. ...
[
Текст
]
Ссылки http://www.jsc.nasa.gov/history/oral_histories/BingmanCF/CFB_Bio.pdf -- 101.2 Кб -- 05.08.2002 Похожие документы
MATERIAL SAFETY DATA SHEET WOMAN CHEMICAL ANALYSIS . ELEMENT: WOMAN SYMBOL: WO2 DISCOVERER: ADAM ATOMIC MASS: Accepted as 118lb, but know to vary from 100 to 550lb. ... Found in various states ranging from virgin metal to common ore. ... CHEMICAL PROPERTIES 1. Has a great affinity for Gold, Silver, Platinum and most precious stones. ... May explode spontaneously without prior warning, and for no known reason. ... COMMON USES 1. Highly ornamental, especially in sports cars. ...
Unno, W. Line Formation of a Normal Zeeman Triplet http://adsabs.harvard.edu/abs/1956PASJ.. ... 108U Moe, Olav Kjeldseth A Generalized Theory for Line Formation in a Homogeneous Magnetic Field http://adsabs.harvard.edu/abs/1968SoPh.. ... 24S Landi Degl'Innocenti, Egidio; Landi Degl'Innocenti, Maurizio Quantum Theory of Line Formation in a Magnetic Field http://adsabs.harvard.edu/abs/1972SoPh.. ... 235H Sazonov, V. N. Polarization in Zeeman-split absorption lines http://adsabs.harvard.edu/abs/1975SvA.. ...
Stellarium 0.12.3 . ... Classes . ... ClassљMembers . ... StelMainScriptAPIProxy Class Reference . Because the core API runs in a different thread to the main program, direct function calls to some classes can cause problems - especially when images must be loaded, or other non-atomic operations are involved. ... Connect signals from the StelMainScriptAPI to the instance of this class running in the main thread and let the slots do the work which is not possible within StelMainScriptAPI itself. ...
Astronomical Data Analysis Software and Systems VII ASP Conference Series, Vol. ... Analysis Tools for Nebular Emission Lines R. A. Shaw, M. D. De La Pe”na, R. M. Katsanis, and R. E. Williams Space Telescope Science Institute, Baltimore, MD 21218, Email: shaw@stsci.edu Abstract. The nebular analysis package in STSDAS has been sub stantially enhanced, and now includes several new ions and diagnostics, as well as updated atomic data for all supported ions. ... I line , and T e vs. I line . ...
[
Текст
]
Ссылки http://www.stecf.org/conferences/adass/adassVII/reprints/shawr1.ps.gz -- 99.9 Кб -- 12.06.2006 Похожие документы
... Illya Ivanovich Zalyubovsky was born on June, 15, 1929 in Poltava Region. He entered the physical and mathematical faculty of the Kharkiv State (presently V. N. Karazin National University) in 1949. ... Since 1965 he is the head of the department of experimental nuclear physics, and since 1967 the Vise-rector for scientific work. ... Since I. I. Zalyubovsky headed the department of experimental nuclear physics, the range of his scientific interests has broadened sharply. ...
Magnetic Stars, 2011, pp. ... The Ce III spectrum is clearly present in a Cen, making it a candidate for the hottest CP star with a lanthanide in its spectrum. Also present are Kr II, and interesting broad absorption features. ... Key words: Stars: chemically peculiar stars: variable stars: individual (a Cen) line: identification 1 New Identifications in the a Cen Sp ectrum The helium variable a Cen is a bright and wellstudied star. ... 2010). ...
[
Текст
]
Ссылки http://www.sao.ru/Doc-en/Science/Public/Conf/magstars-2010/p468.pdf -- 82.1 Кб -- 11.08.2011
[
Текст
]
Ссылки http://mavr.sao.ru/Doc-en/Science/Public/Conf/magstars-2010/p468.pdf -- 82.1 Кб -- 11.08.2011 Похожие документы
Astronomical Data Center . ... You can access the files described here in three ways: . ... Use CDS' VizieR Service at ADC to explore the data files. ... Get the data files via anonymous FTP. ... 1981) -------------------------------------------------------------------------------- Byte-per-byte Description of file : table1a Byte-per-byte Description of file : table1b -------------------------------------------------------------------------------- Bytes Format Units Label Explanations ...
... Сегодня: 10 апреля 2016 г. Для лучшего понимания процессов, происходящих в грозах, а также их воздействия на Землю, НАСА и ученые из различных университетов США планируют использовать совершенно новое для них средство - высотный беспилотный самолет-разведчик. ... С помощью летательного аппарата мы можем проводить электрические, магнитные и оптические измерения гроз, сравнивая активность молний и электризованность атмосферы внутри грозового фронта и за его пределами. ...
... Subject of Astronomy. ... Basis of Spherical and Practical Astronomy. ... Celestial Sphere. ... Changes of Star's Coordinates as a Result of Daily Rotation of Celestial Sphere. ... Time Measuring. ... Changes of Solar Equatorial Coordinates. ... Stellar Day, Stellar Time. ... Real Solar Time. ... Mean Solar Time. ... Connections between Stellar and Mean Time. ... Apparent Path and Configuration of Planets. ... Ways of Energy Transportation to Stellar Surface.Basis of Spectral Analysis. ... Solar...
... GALAXY: A galaxy is made up of billions or trillions of stars bound together by their own gravity. ... HELIUM (He): The second element in the periodic table, has 2 protons, 2 neutrons, and is a noble gas. ... Helium melts at -272.2 degrees Celsius, and boils at -268.934 degrees Celsius. ... HYDROGEN (H): The first element on the periodic table, is a gas, and has an atomic mass of 1.00794 amu. ... Hydrogen melts at -259.34 degrees Celsius, and freezes at -252.87 degrees Celsius. ...
... Публикации: "Odessa Astronomical Publications", 1997, vol. ... There are four basic forms (REGISTRATION, HOTEL RESERVATION, PAPER % CONTRIBUTION and PAYMENT) to be completed and returned to the CONTACT % ADDRESS mentioned below. ... SUMMER SCHOOL 10 Dundee Remote Sensing Summer School 49 Scottish Universities Summer School in Physics Physical Processes in the Coastal Zone: Computer Modelling and Remote Sensing 12th August to 29th August 1997. ...
The Crab : the absorption model and consequences for absolute effective area calibration Jelle S. Kaastra SRON Using the Crab nebula as calibration source · Good calibration sources should obey: 1) Simple continuum 2) Known continuum 3) Constant in time 4) Point source 5) No dust scattering halo Crab only obeys rule 1 and 3 partially, but except for White dwarf spectra there is nothing better Extended emission · ... Caveat: curved continuum spectrum nebula? ...
[
Текст
]
Ссылки http://xmm.vilspa.esa.es/external/xmm_sw_cal/icwg/presentations/crab_kaastra.pdf -- 242.0 Кб -- 19.06.2006 Похожие документы
Progress in science is inversely proportional to the number of journals" . ... PHYSICS JOURNALS . SPIRES-HEP Database Covers more than 415,000 high-energy physics related articles, including journal papers, preprints, e-prints, technical reports, conference papers and theses, received by the SLAC and/or DESY Libraries since 1974. ... Journal of Physics G: Nuclear and Particle Physics . ... Journal of Geometry and Physics (Special Issues) . ... Journal of Nuclear Materials (Special Issues) . ...
Microsymposium 40, abstract 88, 2004 (A4 format) GAMMA RAYS FROM MAJOR ELEMENTS BY THERMAL NEUTRON CAPTURE REACTIONS: EXPERIMENT AND SIMULATION FOR PLANETARY GAMMA-RAY SPECTROSCOPY. ... Then the calculation can be restarted by producing gamma rays and let them trans- GAMMA RAYS FROM MAJOR ELEMENTS BY THERMAL NEUTRON CAPTURE REACTIONS: N. Yamashita et al. port and react, with initial energies determined the outside multiplication and initial locations wh neutron capture reaction took place. ...
[
Текст
]
Ссылки http://selena.sai.msu.ru/Ber/Publications/ms40/88_Yamashita%20et_al.pdf -- 253.8 Кб -- 17.02.2009 Похожие документы
Как сделать атомную бомбу? . ... За последние лет пятнадцать рассекречены и обнародованы документы, в деталях описывающие особенности конструкции и процесс изготовления первой британской атомной бомбы, а также подробности южноафриканской программы по созданию ядерного оружия. ... Некоторые независимые эксперты утверждают, что уже похищено достаточно урана и плутония, чтобы сделать несколько атомных бомб. ... Свежее топливо в твэлах может состоять, например, из 3,3% 235U и 96,7% 238U (в виде двуокиси). ...
... It is consonant with the wording of Isaiah speaking of the 'Hidden God' hidden even in the beginning of the universe .. ... Georges Lemeiter / . If the world has begun with a single quantum, the notions of space and would altogether fail to have any meaning at the beginning; they would only begin to have a sensible meaning when the original quantum had been divided into a sufficient number of quanta. ... Жорж Леметр , Бельгийский католический священник, астроном и математик. ... Путин [28] . ...