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 . ...

... astro-ph . ... Statistical Characterization of the Chandra Source Catalog . ... The first release of the Chandra Source Catalog (CSC) contains ~95,000 X-ray sources in a total area of ~0.75% of the entire sky, using data from ~3,900 separate ACIS observations of a multitude of different types of X-ray sources. ... In addition to these traditional catalog elements, for each X-ray source the CSC includes an extensive set of file-based data products that can be manipulated interactively. ...

... Top Attractions of Russia . ... We sincerely hope the situation will improve and we are planning to include these regions as soon as it becomes possible. ... Southern Urals (including Bashkir State Reserve) . ... Eastern Sayan Mountains (including Tunka Range) . ... Altai Mountains (including Lake Teletskoe, Altai State Reserve, Katun Range) . ... Sub-Polar and North Urals and virgin forests of North of European Russia (including Yugyd-Va National Park and Pechora-Ilych National Reserve) . ...

Электронная библиотека астронома-любителя. ... библиотека . архив RSN . ... Ru.Space.News: . Октябрь 1998 . ... 5, 1998 Greenbelt, MD 20771 Newsroom Phone: 301-286-8955 NOTE TO EDITORS/NEWS DIRECTORS: 98-158 HISTORIC JOHN GLENN FLIGHT TO FEATURE MARYLAND AND GODDARD SCIENCE EXPERIMENTS When Mercury astronaut and Ohio Senator John Glenn returns to space October 29, a fascinating array of science experiments from the Goddard Space Flight Center and Maryland students will fly with him. ...

... Our tours this year include: Yuri Gagarin Cosmonaut Training Center at Star City, Bauman Moscow State Technical University Orevo Laboratory, Russian Mission Control Center (TsUP), Rocket and Space Corporation Energia, Lavochkin Scientific and Industrial Association, Energomash Scientific and Industrial Association, Scientific and Industrial Association "Zvezda", Khrunichev State Research & Production Space Center, Monino Air Force Museum. Bauman Moscow State Technical University . Moscow) . ...

... Registration form . ... Institute of Applied Astronomy of the Russian Academy of Sciences invites you to participate in the all-Russian scientific conference "Asteroid-Comet Hazard-2005" which will be held 3-7 October 2005 in St. Petersburg. ... Batrakov Yu.V. Institute of Applied Astronomy of RAS, St.Petersburg . ... Institute of Applied Astronomy of RAS . ... Finkelstein A.M. Institute of Applied Astronomy of RAS, St.Petersburg . ... Institute of Applied Astronomy of RAS, St.Petersburg . ...

... Стойкая крем-краска "Wellaton" с сывороткой с провитамином В5 создана специально для вас экспертами Wella, чтобы подарить Вашим волосам насыщенный цвет, здоровый вид, потрясающий блеск и великолепное закрашивание седины. ... Защитная пленка для Sony Xperia E/E Dual - это универсальная защитная пленка, предохраняющая дисплей Вашего электронного устройства от возможных повреждений. ... Защитные пленки LuxCase удобны в использовании и имеют антибликовое покрытие. ...

... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Mars . ... News . ... Astronomy for Kids . ... Sky Events . ... New Mars mission to probe planet's climate history . ... Planetary scientist Bruce Jakosky is the principal investigator of a $485 million mission announced today by NASA that is being led by the University of Colorado at Boulder to probe the Mars atmosphere for clues to past climates. ... Only registered members of Astronomy.com are allowed to comment on this article...

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. ... Optical Tubes . ACF f/8 Optical Tubes . ... Coronado Accessories . ... Meade #829 Rear-Focus Viewfinder #07829. ... Easily locate and center deep sky objects with this straight-through Meade Model #829 8x50 Rear-Focus Viewfinder. ...

Report “Laboratory zero-baseline interferometer tests” (ZBT) was prepared and issued in ASC (35 pages including 17 figures and diagrams in Russian language). ... The Ground-Space radio interferometer (OVLBI) Radioastron includes several space and ground-based segments which are designed and manufactured by different countries and organizations. ... ZBI tests (for OVLBI) were implemented in Russia firstly. The tests were implemented by joint team of ASC, JPL and NRAO in 1999. ...

ATMoB 2017 Solar Eclipse Expedition August 21, 2017 ­ Columbia , MO Participant Registration Form Primary Participant: Organized by Mario Motta / Bernie Volz _________________________________ ... _________________________________ (Cell/Work) ______________________________________________________ NO YES (Non-binding, Extra cost ~$60.00/ person ) Eclipse Day Chartered Coach Option (Circle) I understand this package includes only pre- and post- ... Pre-eclipse meeting at the hotel @ 8PM. ...

... The main field of my investigations is stellar spectrophotometry. As a result of scientific activity of our group spectrophotometric catalog was created including energy distribution data on 900 stars in the range 3200-7600AA and 250 stars in the range 6000-10800AA (Voloshina et al., Spectrophotometry of Bright Stars, ed. I.N.Glushneva, 1982, Moscow, Nauka, in Russian). ...

... Iowa Robotic Telescope | ... Talon is based on OCAAS, a software suite developed by software engineer Elwood Downey ( Clear Sky Institute ) for use at the University of Iowa ?s first remote facility (the ATF, or Automated Telescope Facility). ... XObservatory : Telescope Control Interface . ... This program calls upon and coordinates much of the interrelated portions of the Talon architecture, and forms the primary control panel for the telescope, dome, and peripheral systems when used locally. ...

... STELLAR DYNAMICS: FROM CLASSIC TO MODERN . ... Sobolev Astronomical Institute, Saint Petersburg State University, Russia . ... The proposed meeting is being organized by the St.Petersburg State University, assisted by an international Scientific Organizing Committee, and marks the centennial of Professor K.F.Ogorodnikov's birth. ... The conference will be organized by the Sobolev Astronomical Institute of St.Petersburg State University in the building of the Faculty of Mathematics and Mechanics. ...

Next: Сейфина Елена Викторовна (ГАИШ) Up: abstracts Previous: Ревнивцев Михаил Геннадьевич (ИКИ РАН) . Статистика активных ядер галактик и космический рентгеновский фон по данным обсерватории ИНТЕГРАЛ The recently completed INTEGRAL hard X-ray all-sky survey provides a sample of more than 100 nearby AGN selected without regard to absorption effects. ...

... In 1965, in view of the fact that the country's leadership put S.P.Korolev in overall charge of the effort to land a man on the Moon and bring him safely back to Earth, Korolev decided to focus the work of his team on the manned space flight, while the work on the lunar robotic craft was turned over to Lavochkin Design Bureau headed at the time by G.N.Babakin. ... This flight was considered as an initial phase of preparation for a manned lunar landing mission. ...

... It was with this spirit that Norman Oberle suggested that area amateurs should have the benefit of a large aperture (25 inches or larger) telescope with sufficient focal length for excellent visual work. ... Norm Oberle and Jim Thomas spent 2,000 hours grinding and polishing to work the mirror into an oblate spheroid. ... Norm worked with Jim Thomas in a basement workshop. ... The Richland club is situated in the Hidden Hollow camp ground, and has long held meetings in the clubhouse on the grounds. ...

... Celestial and terrestrial lights are featured in this stunning image that includes the Moon in phases of the total lunar eclipse of March 3rd. ... But only a day before, well placed observers could also watch a lunar occultation of Saturn as the planet passed behind the nearly Full Moon. ... A red Moon rose over Cape Cod, Massachusetts, USA on March 3rd, immersed in Earth's shadow near the total phase of a lunar eclipse. ... When a Full Moon lies near the ecliptic there can be a lunar eclipse. ...

... Telescopes . ... 2002: . A quartz echelle spectrograph with a large diameter of the collimated beam (NES) equipped with a CCD (2048x2048 elements) was designed, manufactured and put into operation in the Nasmyth focus of the 6-m telescope. ... We have developed and tested the model of a new-generation three-element broadband radiometric matrix system at the RATAN-600 extremely short wavelength of 1 cm, allowing a large replication to over 100 elements. ...

. The optical instrument making is a work area of Laboratory for atmosphere optics of MAO NAN of Ukraine. The developments of lab staff is simple optical devices for scientific, industrial application and unique developments of astronomical devices, including space experiments. You can see our developments in section design of optical systems and production of aspherical optics. Staff . Design of optical systems . Production of aspherical optics . Contact . to main of Laboratory .