Title: A New Model of the Gravitational Lens 0957+561 and a Limit on the Hubble Constant . Authors: Norman A. Grogin , Ramesh Narayan (Harvard Univ.) ... Title: ROSAT/PSPC observation of the distant cluster CL0939+472 . ... Title: Interaction in the Bimodal Galaxy Cluster A3528 . ... Title: Cosmological Implications of Galaxy Cluster Evolution . ... Title: Galaxy Cluster Virial Masses and Omega . ... Matches 201 to 222 from a total of 222 matches for the search pattern galaxy cluster . ...

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) . ...

... Observing . ... Solar Observing . ... April 3 (SUN) - Solar Observing, Central Park , Manhattan . ... APRIL'S SKY . ... Lecture Series at the American Museum of Natural History The Amateur Astronomers Association is proud to present an astronomy lecture series from October through May each year for our members and the .. ... The€аAmateur Astronomers Association of New York€аwas organized in 1927 to promote the study of Astronomy, emphasizing its cultural and inspirational value. ...

... Охота за Новыми звездами . ... А сегодня большинство открытий Новых совершаются именно с их помощью! ... Поиск вспышек Новых звезд на небе - одна из самых достойных астрономических программ, за которую может взяться любитель астрономии. ... Джорж пришел к выводу, что множество новых звезд, достигающих в максимуме 5-7 величины и недоступных невооруженному глазу, ускользают от открытия , поскольку вблизи моментов их вспышек профессионалы фотографируют другие области неба. ...

NEWS FEDERATION rus ENCYCLOPEDIA rus HISTORY rus MIR STATION RUSSIAN . This is on-line version of Russian magazine Novosti Kosmonavtiki. This electronic version covers Russian and International space news. Those who wish to obtain the full, translated copy of an article will be charged an additional price, which varies with the size of the article. If you'd like to subscribe to our journal and receive the full version (in Russian), please contact us at . ... 12 / 2002 [October, 2002] . ...

... ARTICLE: The Adventurous Search For The Astronomical Unit . ... Kepler himself had suggested to use the rare occasions of Venus transiting (crossing) the solar disk to measure our distance to the planet. ... Due to the orbital inclination of Venus against the ecliptic of 3.5°, a Venus transit is so rare that it happens only at intervals of 121.5 years, 8 years, 105.5 years, 8 years and so on. ... Crabtree witnessing the transit of Venus 1639 . ... Transits of Venus - The Quest for the Solar Parallax...

... The bright supernova (hereafter SN) in the galaxy NGC 4527 was first sighted by S. Knight (USA) on April 13.17UT at magnitude ~14.0v. The report of the sighting was subsequently forwarded by phone to the AAVSO. ... SN 1991T. The galaxy NGC 4527 is an Sb(s)II type galaxy with an apparent Blue magnitude of 11.32 (Shapley-Ames, 1981). ... An analysis of this event utilizing visual observations by amateurs, plus a light curve is presented.. ... THE LIGHT CURVE: . ... ISN SN 1991T web page . ...

... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...

... Direct observation of the vortex structure in high- T c superconductors in tilted magnetic fields. Abstract: . A high-resolution Bitter technique has been used to observe an effect of tilting the external magnetic field on the flux line lattice (FLL) in Tl 2 Ba 2 CaCu 2 O 8+x single crystals. ... The reason is believed to be that the formation of the equilibrium vortex state (vortex chains) was prevented by strong pinning, revealed for our crystals by the M(t) curves. ...

От "бумажного" телескопа до "ньютона". Как построить телескоп из очковых стекол. ... Как изготовить главное зеркало для небольшого рефлектора системы Ньютона. От сферического зеркала к параболоидальному. Мои телескопы. Статья новокузнецкого любителя астрономии Антона Плаксина. Метод проб и ошибок, или как я строил телескоп. Статья любителя астрономии из Казахстана Евгения Пухальского. ... Короткое путешествие в астрономический Санкт-Петербург. ...

... A cosmic-ray source uncovered . ... HESS scientists believe the observed cosmic-ray signature could have been produced in a single supernova remnant. ... The HESS data show the cosmic-ray density in the galactic center significantly exceeds that in the solar neighborhood. ... Two possible cosmic-ray accelerators reside in the galactic center. ... More observations are needed to pinpoint which is the cosmic-ray source. ... Only registered members of Astronomy.com are allowed to comment on this...

... 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 . ...

... 7 EPSC2012-52 2012 European Planetary Science Congress 2012 c Author(s) 2012 E P SC European Planetary Science Congress Properties of the impact-produced lunar exosphere during Perseid 2009 meteor shower A.A. Berezhnoy (1), O.R. Baransky (2), K.I. Churyumov (2), T.K. Churyumova (2), V.V. Kleshchenok (2), E.A. Kozlova (1), V. Mangano (3), V.O. Ponomarenko (2), Yu.V. Pakhomov (4), V.V. Shevchenko (1), Yu.I. Velikodsky (5) (1) Sternberg Astronomical Institute, Universitetskij pr., ... 12/13, 2009. ...

University Satellites and . Space Science Education . ... Coupling of Atmospheric Layers EU FP5 RTN Project: Engaging Scientists in Training and Outreach Activities . ... The educational 'training' programme work-package is a key ingredient in the CAL project and covers the implementation of the training activities aimed at the young scientists hired through the CAL project, as well as participating senior scientists. ...

June 14-19, 2004 . IAU Symposium 223 "Multi-Wavelength Investigations of Solar Activity" will take place on June 14-19, 2004, St. Petersburg, Russia, hosted by Pulkovo Astronomical Observatory. ... This announcement also contains information on visa applications and financial support.The abstract, registration and financial support forms are found on the meeting Web site at http://sun.stanford.edu/IAUS223 . ... Deadline for Financial Support Applications (including abstracts) . ... Abstract Form . ...

... MASTER Net is 56 square degrees per 1 exposition . ... 06 Dec 2015: GRB 151205B: MASTER-NET early optical observations GCN18665 . ... 18 Nov 2015: GRB 151118A: MASTER-NET optical observations GCN18613 . ... 12 Nov 2015: GRB 151112A: MASTER-NET optical limit GCN18591 . ... 07 Nov 2015: GRB 151107A: MASTER-NET optical observations GCN18565 . ... 31 Oct 2015: Five OTs detected by Global Robotic MASTER Net ATel8232 . ... 02 Oct 2015: GRB 151001B: MASTER-NET early optical observations GCN18380 . ...

STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... Telescopes . LX850 Series . ... Meade's revolutionary LS LightSwitchтДв 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. ... The Meade StarNavigatorтДв series was designed with ease of use and convenience in mind. ... Spare Parts . ... LX - Rear Thread Aluminum Dust Cover . ... Rear Thread Aluminum Dust Cover for SC and ACF optical tubes. ...

Crater Gassendi . ... I made this drawing was made on the 26th of november 2001. If you compare this one with the previous drawing of Gassendi (below) the differences are clear. ... This drawing was made on the 28th of september 2001. After nearly a full month without observations I had a one hour gap between the thicker clouds. ... This drawing was made on the 29th of august 2001. ... This drawing was made on the 27th of august 2001. ... This drawing was made on the 25th of august 2001. ...

National Aeronautics and Space Administration . ... NORMAN E. THAGARD (M.D.) . NASA ASTRONAUT (FORMER) . PERSONAL DATA: Born July 3, 1943, in Marianna, Florida, but considers Jacksonville, Florida, to be his hometown. ... Dr. Thagard first flew on the crew of STS-7, which launched from Kennedy Space Center, Florida, on June 8, 1983. ... Dr. Thagard then flew on STS 51-B, the Spacelab-3 science mission, which launched from Kennedy Space Center, Florida, on April 29, 1985, aboard the Challenger. ...

System of astrometric databases of Pulkovo observatory. ... The purpose of these observations is the determination of precise coordinates of Solar system bodies, which is necessary for development and improvement of motion theories, and for studying the evolution of the Solar system. ... Accuracy of photographical observations is about 0.2-0.3 arcsec for equatorial coordinates and 0.1-0.3 for relative coordinates of planetary satellites, depending on object and observational conditions. ...