... 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. ...

ATMoB Awards Program - Messier Marathon Worksheet Observer: Date: Instrument(s) Used: Location: Messier Observing Catalog/Worksheet Observing Order 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 Messier Number M 77 M 74 M 33 M 31 M 32 M110 M 52 M103 M 76 M 34 M 45 M 79 M 42 M 43 M 78 M1 M 35 M 37 M 36 M 38 M 41 M 93 M 47 M 46 M 50 ...

The divisity of galaxies. The galaxies are the giant (to hundred of billions of stars) star systems, where the stars are connected by gravitation laws with each other. ... Ther galaxy NGC 3031 . ... Each spiral galaxy has a core a flat disk where the spiral brancher locate. The stars and interstellar substance of spiral galaxies rotate around the core. ... In normal galaxies, such as our Galaxy, the great brightness of the core is accounted for the high concentration of stars. ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... Ciel Espace, nouvelle formule, c'est . des actualitÿs . ... des interviews, des portraits . ... des pages consacrÿes à la publication de vos photos Mais c'est aussi une vraie communautÿ avec laquelle partager votre passion et nourrir votre curiositÿ. Accueil � la une D'ÿtranges signaux venus d'autres galaxies . ... Des ÿclairs radio venus d'autres galaxies . ... 20/01/2015 - Une multitude d'ÿtoiles hors des galaxies . ...

... Æåíñêàÿ êóðòêà èç íàòóðàëüíîé êîæè . ... Áðåíä: Samsung, Òèï: ÷àñû, Ñîâìåñòèìîñòü: âçàèìîäåéñòâèå ñ Android, Îñîáåííîñòè: ìîíèòîðèíã ôèçè÷åñêîé àêòèâíîñòè . ... Êàáåëü ñîåäèíèòåëüíûé 1.5ì Hama Cinch Digital RCA (M) - RCA (M) ïîçîëî÷åííûå êîíòàêòû ÷åðíûé 122266 - HAMA - HAMA . ...

... Sternberg Astronomical Institute , Moscow University . ... Present edition unites two parts of Catalogue of interacting galaxies by B.A.Vorontsov-Velyaminov: the first part (Part 1) containing 355 systems was published in 1959 [1] and the second one (Part 2) with 497 objects - in 1976 [2].Thus two published parts of Catalogue include 852 interacting systems. ... All new of them (1162 by number) were taken from the comments to the galaxies in Morphological catalogue by Vorontsov-Velyaminov et al.[ ...

... I. Mean Surface Brightnesses and Integral Color Indices for Bars Gusev A.S. ================================================================================ Abstract: UBVRIJHK surface brightnesses and color indices of bars of galaxies are determined using surface photometry data for 100 barred galaxies (table1.dat). ... J0 Mean surface J0 brightness 46 A1 --- CI- CI sign 47 -50 F1.2 magn/sq.arcsec. U-B)0 (U-B)0 color index 52 -55 F1.2 magn/sq.arcsec. ...

... Director of the RAS ISR . RAS Academician . ... Astrophysics module Kvant of the orbital complex Mir launched in 1987 contains the largest on the station complex of the scientific equipment named the orbital observatory Roentgen. Observatory Roentgen consists of 4 X-ray telescopes, jointly exceeding the range of energies from 2 to 800 keV. ... Among the most significant results that were received in the observatory Roentgen are: . ... measurement of the periods of 9 X-ray pulsars; . ...

... Field of research: Extragalactic astronomy. ... NASA Astrophysics Data System (ADS) Abstract Service . ... CADC Home Page . ... CCD Images of Galaxies . ... RUSSIAN LINKS . ... UA Astronomy Personal Home Page - Bill Keel . ... The Shape of the Rotation Curves of Edge-on Galaxies, by A.V.Zasov and A.V.Khoperskov, 2003. ... A Thickness of Stellar Discs, by A.V.Zasov, and D.V.Bizyaev, 2003 . Minimum Velocity Dispersion in Stable Stellar Disks, by A.V.Khoperskov, A.V.Zasov, and N.V.Tyurina, 2003 . ...

... The Co­Addition Technique Applied to Images of Galaxy Cores W. W. Zeilinger Institut f˜ur Astronomie, University of Vienna, T˜urkenschanzstraúe 17, A­1180 Wien, Austria P. Crane, P. GrosbÜl and A. Renzini European Southern Observatory, Karl­Schwarzschild Straúe 2, D­85748 Garching, Germany Abstract. ... One may therefore take full advantage of the high resolution FOC images by co­adding them with (high signal­to­noise) ground­ based data. ... References Crane, P. et al. ...

... Visible Distribution of Galaxies. ... Features of Elliptical, Lens-Shaped, Spiral and Irregular Galaxies. Galaxies with Bar. ... Distribution of Surface Brightness of Surface and Spiral Galaxies. ... Color Characteristics of Galaxies. ... Methods of Galaxies' Mass Determination. ... Hidden Mass of Spiral Galaxies. ... Features of Dark Matter Distribution in E and SO Galaxies. ... The Whole Number of Galaxies and Their Density by the Results of Observation on the 'Hubble' Space Telescope. ...

STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... Telescopes . LX850 Series . ... Superb optical performance coupled with time proven computerized pointing and tracking has made the LX200 ACF series a best-seller in the high-performance telescope class. ... Meade's revolutionary LS LightSwitchòÄâ series of telescopes use advanced technologies to do what no other consumer telescopes have done before: take all the hassle out of using a telescope. ... Coronadoˆî Solar . ... Spotting Scopes . ...

MAIN PAGE . ... Nova Cygni August 1975! ... 1975/76: Comet West! ... Dr. Richard West (4th from left) & AAL members visiting SES Betzdorf on occasion of our club's 25th anniversary - October 1996 . Comet West Information . ... It was the brightest comet visible from Earth since Comet West in 1976. ... 1997: Comet Hale-Bopp! ... Thus Comet Hale-Bopp never got closer to Earth than Earth gets to the Sun. ... Comet Hale-Bopp JPL Page . ... 1999: Total solar eclipse over Luxembourg! ...

... Astronomy news . ... NASA's Spitzer Images Out-of-This-World Galaxy . ... It is spiral-shaped like our Milky Way, with long, spindly arms of stars. The "eye" at the center of the galaxy is actually a monstrous black hole surrounded by a ring of stars. In this color-coded infrared view from Spitzer, the area around the invisible black hole is blue and the ring of stars, white. ... The ring around the black hole is bursting with new star formation. ...

... INSTRUMENT: SurveyCam FILTERS: Stromgren uvby, 2" square COMMENTS: remote observations are expected BRIEF SCIENCE JUSTIFICATION: Last decade numerous faint structures at the periphery of regular galaxies, as arcs, tails, or streams, have been discovered (see e.g. Martinez-Delgado et al., ... The broad-band photometry is used for observing the faint structures, but it does not allow to break the age-metallicity degeneracy efficiently. ... The standard Stromgren set is available at APO. ... 2014). ...

... Club By-laws . ... Other Club Activities . ... Public Nights . ... Dr. James Green, NASA, Director Planetary Science will be our esteemed speaker on Tuesday, April 12, 2016 at 7:30 PM in Peyton Hall on the Princeton University campus. ... Our astronomers setup telescopes for public use at Communiversity in Princeton, Super Science Saturday at the NJ State Museum in Trenton and at various public events around Mercer County. ... Amateur Astronomers Association of Princeton, Inc., ...

... Galaxies 99 Cosmic background with model of cloudy interstellar medium Yu. ... Figure 1: Averaged spectrum of the cosmic background I f in frequency range 0.25 200 MHz for the Galactic poles. ... First interpretation of the cosmic noise background spectrum at broad band frequency range 0.25 200 MHz with a model of the cloudy interstellar medium ISM is presented here. ... Synthesized background spectra I f for regions of the Galactic poles at the frequency range 0.25 200 MHz is presented in Fig. ...

... Ïðåäèñëîâèå ðåäàêòîðà ïåðåâîäà. ... Ïðåäèñëîâèå. Ãëàâà 1. ÃÀËÀÊÒÈÊÈ È ÂÑÅËÅÍÍÀß. ... Òèïû ãàëàêòèê. ... Ïî÷åìó ãàëàêòèêè ðàçíûå. ... ÑÒÐÓÊÒÓÐÀ ÃÀËÀÊÒÈÊ. Êàê ïîñòðîèòü ýëëèïòè÷åñêóþ ãàëàêòèêó? ... ÎÁÐÀÇÎÂÀÍÈÅ È ÝÂÎËÞÖÈß ÃÀËÀÊÒÈÊ. ... Íàáëþäàÿ ýâîëþöèþ ãàëàêòèê. ... ÇÂÅÇÄÛ È ÑÊÎÏËÅÍÈß. ... Ôóíêöèè ñâåòèìîñòè äëÿ çâåçä â ãàëàêòèêàõ. Ñïåêòðàëüíûå òèïû ãàëàêòèê. ... Äâîéíûå ãàëàêòèêè. ... Êàðëèêîâûå íåïðàâèëüíûå ãàëàêòèêè. ... ÑÊÎÏËÅÍÈß È ÑÂÅÐÕÑÊÎÏËÅÍÈß ÃÀËÀÊÒÈÊ. ... Òèïû ñêîïëåíèé. ...

... ADC_Keywords: Galaxy catalogs ; Nonstellar objects Description: NGC 2000.0 is a modern compilation of the New General Catalogue of Nebulae and Clusters of Stars (NGC), the Index Catalogue (IC), and the Second Index Catalogue compiled by J. L. E. Dreyer (1888, 1895, 1908). ... The order of the new catalog is strictly by right ascension, the NGC and IC objects being merged into one machine-readable file. ... The book also contains a table of right ascensions for NGC and IC objects. ...

... Ñåãîäíÿ: 10 àïðåëÿ 2016 ã. [SpaceViews] Êîìïàíèÿ PanAmSat, êðóïíåéøèé ìèðîâîé îïåðàòîð òåëåêîììóíèêàöèîííûõ ñïóòíèêîâ, îáúÿâèëà î íàìåðåíèè çàìåíèòü íà îðáèòå ñïóòíèê Galaxy 8-i, â äâèãàòåëüíîé ñèñòåìå êîòîðîãî âîçíèêëè íåïîëàäêè. ... Îäíàêî òîïëèâî â ýòîì äâèãàòåëå çàêîí÷èòñÿ ê êîíöó 2002 ã. È åñëè ê ýòîìó âðåìåíè íå óäàñòñÿ âîññòàíîâèòü ðàáîòîñïîñîáíîñòü èîííîãî äâèãàòåëÿ XIPS, òî ñïóòíèê Galaxy 8-i áóäåò ïîòåðÿí. ... PanAmSat ðàçðàáàòûâàåò ïëàí çàìåíû ñïóòíèêà Galaxy 8-i . ...