... Некоторые чудеса, связанные с фосфором и свинцом . ... История фосфора . ... Это светится белый фосфор. ... Белый фосфор - твердое кристаллическое вещество, причем в химически чистом виде кристаллы белого фосфора совершенно бесцветны, прозрачны и очень хорошо преломляют свет. ... Поэтому в обычных условиях фосфор внешне очень похож на воск, но тяжелее его (плотность белого фосфора 1,84). ... При 44њ С белый фосфор плавится, а при 280,5њ С кипит. ... Растворяли белый фосфор в бензоле или сероуглероде...

QUASI PERIODIC ORBITS IN THE VICINITY OF THE SUN- EARTH L2 POINT AND THEIR IMPLEMENTATION IN SPECTR-RG MILLIMETRON MISSIONS I VA N I L I N , A N D R E W T U C H I ... RUSSIAN ACADEMY OF SCIENCES 24th International Symposium on Space Flight Dynamics Laurel, Maryland, 5-9 May, 2014 APPLICATION OF QUASI PERIODIC ORBITS NEAR LIBRATION POINTS ESA space telescope Gaia launched on 19.12.13, direct ... Dynamics and Mission Design near Libration Points - Volume 1. ...

... Structure of Data . ... Catalog . ... In SAI OCL Catalog, we introduce our work on investigation of the Milky Way system of open star clusters. The main goal of our study is a search for new clusters using huge surveys. 168 new clusters have been already discovered by us using J,H,Ks data from 2MASS point source catalog. ... For 141 new clusters, we found their physical parameters using J,H,Ks data from 2MASS catalog and, for a number of clusters, our UBVRI CCD observational magnitudes. ...

... Окуляр 5 Element Plossl 32mm (2") . ... Поле зрения 60 градусов . Это самый короткофокусный из 2" окуляров серии 5000 - он предназначен для получения невысоких обзорных увеличений. ... Симметричные (Plossl) окуляры серии 5000 - прорыв в области оптического дизайна в сочетании с обычным качеством исполнения от Meade. ... Компактные цифровые фотоаппараты . Зеркальные цифровые фотоаппараты PENTAX . ... Окуляры PENTAX . ... Copyright PENTAR ї2004-2016. (бинокли, цифровые фотоаппараты, телескопы) . ...

M obile A stronomical Sy stem of TE lescope- R obots MASTER-II Kislovodsk Lomonosov Moscow State University, Sternberg Astronomical Institute , Moscow Union "Optic" , Kislovodsk Solar Station Latitude = 43 o љ44'.767љN; Longitude = 42 o љ31'.417љE; Altitude = 2067љm MASTERљIIљ(8љsquareљdegress) + MASTERљVWF(VeryљWideљFieldљCameras (FOV=800 square degrees, Timeљresolutionљupљtoљ150љms, with unfiltered m_lim=14m on 5 sec. exposure, and ~10.5m with 0.15 sec) . ... 11h 38m 38.0s , -09d 59m 59s) . ...

... Hierarchy and stability 3. Stability criteria for triple systems 4. ... The results for selected systems with weak hierarchy (physical properties of components) System HD 40887 AB+CD HD 76644 AB+CD HD 217675 AB+CD HD 222326 A?+BC HD 284419 A+BC Spectral types K5V, M0V, K4V, ?? ... More accurate results for selected systems HD 217675/6 ( And) Quadruple system More accurate results for selected systems HD 217675/6 Pair B1B 2 More accurate results for selected systems HD 217675/6 (Zhuchkov et al. ...

Тема : Хвостатые гостьи 16 (коррекции орбиты) .. Показать сообщение отдельно . ... Сообщений: 19,465 . Коррекция орбиты некоторых периодических комет от 9 июля 2014 года MPEC 2014-N57 .. ... Отправить личное сообщение для Silvester . Найти еще сообщения от Silvester . ...

... part 1 | ... The Basic Stages in Earth's Pre-geological Development . ... After fragments of the Vortex sleeves separated, whirlwinds of second and third orders ("NC" - new micro-vortex) were generated- future planet cores and their satellites - all of them developing independently, governed by the common laws of development of cosmogenic vortexes. ... Our planet's core today is comprised of considerably deteriorated cosmogenic vortex; consequently, the Earth has a moderated magnetic field. ...

Электронная библиотека астронома-любителя. ... библиотека . архив RSN . ... Ru.Space.News: . Февраль 1998 . ... Дата: 11 февраля 1998 (1998-02-11) От: Alexander Bondugin Тема: Aerospace Safety Advisory Panel To Present Report To NASA Привет всем! ... Priority is given to programs that involve the safety of human flight. ... Дата: 11 февраля 1998 (1998-02-11) От: Alexander Bondugin Тема: First Major Flight Component For X-33 Arrives At Palmdale Привет всем! ...

Обзоры hep-ph: тематический рубрикатор . Эффекты квантовой гравитации . hep-ph/0305158 . ... Authors: D. V. Ahluwalia-Khalilova, Irina Dymnikova . Comments: This essay received an "honorable mention" in the 2003 Essay Competition of the Gravity Research Foundation . ... Comments: 4 pages . ... Comments: 9 pages, Latex . ... Comments: 14 pages LaTeX, 7 eps figures . ... Comments: 90 pages AMSTeX, 24 Figures . ... Comments: 29 pages, 4 figures . ... Вернуться в тематический рубрикатор hep-ph ...

Please enter the lightcurve file name and period search parameters: . Lightcurve file: . ... Apply the Heliocentric correction and convert all dates to Terrestrial Time (TT)? ... Also, the Heliocentric correction cannot be applied to such lightcurves. ... This period search service is also available at the mirror sites: Mirror 1 , Mirror 2 , Mirror 3 , Mirror 4 . You may download the latest source code distribution and install the period search service at your own web server. ...

Lectures . ... Home Lectures Lecture Series 2010-2011 Lecture Series 2010-2011 ? The History of the Universe in One Hour? by Max Tegmark . ... Lecture Series 2010-2011 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Amateur Astronomers Medal . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

Winer Observatory P.O. Box 797, Sonoita, Arizona 85637-0797, USA . ... Projects . ... 2/3-m Telescope . ... Site . ... Donations . ... In 1995, Hughes Danbury Optical Systems (now Goodrich Optical and Space Systems Division, Electro-Optical Systems) donated to Winer a 2/3-m (26.5-inch) Corning Ultra Low Expansion ULE lightweighted mirror. Using this donation as a basis, we entered into a project with a private, non-sectarian school to design and build a telescope for the school and one for us. ...

... Cluster Launch of Dnepr LV 22 August 2013 KOMPSAT-5 Launch 21 November 2013. ... The launch of KOMPSAT-5 satellite was successfully performed by RS-20 rocket (Dnepr Launch Vehicle) from Yasny Launch Base, Orenburg region, Russia, on August 22, 2013 at 18:39:13 Moscow time 14:39:13 UTC). The launch was executed by the Russian Strategic Rocket Forces of the Russian Ministry of Defense with the support of the Russian and Ukrainian companies, which are part of the ISC Kosmotras industrial team. ...

ABSTRACTS 10-th International Gamow Summer School "Astronomy and beyond: Astrophysics, Cosmology and Gravitation, Cosmomicrophysics, Radio-astronomy and Astrobiology" (Ukraine, Odessa, Chernomorka, 23-28 August, 2010) MEMORIAL SESSION SERGEY ALEKSANDROVICH SNEGOV (1910-1994) ­ OUSTANDING PHYSICIST, COSMOLOGIST, ASTRONOMER AND WRITER ­ VISIONARY TO A 100-ANNIVERSARY FROM BIRTHDAY Pahomov A.G. PFUM, Moscow It is possible to judge a condition of an astronomical science on literary works of time. ...

... history, facts, technology, space ships . ... Posted by Askar under Research ships . ... Космонавт Юрий Гагарин? - научно-исследовательское судно, флагман судовљ Службы космических исследований СССР. ... Длина одиннадцатипалубного теплохода 231,6 м, ширина 61 м, мощность главного двигателя 14 000 кВт, скорость хода 18 узлов, водоизмещение 45 000 т. Экипаж 136 чел., состав экспедиции 212 чел. На борту 1250 помещений, в т.ч. 86 лабораторий. ... Russian Research Ships . ... Russian Space Ships . ...

... Chemically Decoupled Nuclei in Five Lenticular Galaxies from SAURON Data O. K. Sil'chenko* Sternberg Astronomical Institute, Universitetski i pr. ... We have now analyzed and published the SAURON data for five galaxies, including the above NGC 3384 and NGC 3623, in which the chemically decoupled nuclei are rather extended (several hundred parsecs) circumnuclear stellar disks. ... 1996 SAURON, Oct. ... In NGC 7280, we found an inner polar ring previously using MPFS data (Afanasiev and Sil'chenko 2000...

... 29.01.2001 . ... Flight orbit number (day) . ... Orbit period (in min) . ... Mean orbit altitude (km) . ... Daily average altitude decay (km) . ... Solar and geomagnetic activity current parameters: . solar F 10.7 flux . ... F 10.7 <= 100 - low level; 100 < F 10.7 < 150 - medium level; F 10.7 >= 150 - high level . ... solar flux activity value – 21.03.2001 ±7days. Time of altitude м av ~ 250 km – 05.03.2001 ± 5days. Date of the orbit parameters calculations 29.01.2001. ...

GCVS Research Group: . Recent publications . Kazarovets E.V., Samus N.N., Durlevich O.V., Kireeva N.N., Pastukhova E.N., The 81st Name-List of Variable Stars. ... Kazarovets E.V., Samus N.N., Durlevich O.V., Kireeva N.N., Pastukhova E.N., The 80th Name-List of Variable Stars. ... Samus N.N., Kazarovets E.V., Kireeva N.N., Pastukhova E.N., Durlevich O.V. General Catalogue of Variable Stars: Current status and new Name-lists Odessa Astronomical Publications, 2010, V. 23, p. 102-105. ...

The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc. ... LIG acknowledges partial support from the European Commission's TRM Programme, "Access to Large-Scale Facilities", under contract ERBFMGECT950012 and the European Commission's TRM programme, Research Network Contract ERBFMRXCT 96-0034 "CERES". ... the US Naval Observatory (USNO) Radio Reference Frame Image Database (RRFID), . ...