... The motion of a planet around the Sun or of a scientific satellite around Earth follows different equations (though a connection exists), but in many respect it resembles that of the stone. ... Kepler's law states: . ... Illustrating Kepler's 2nd law: . ... As an example, let the drawing on the right represent the orbit of an Earth satellite, and let AB and CD be the portions of the orbit covered in 3 hours near apogee and near perigee, respectively. ... Gravity can also provide energy. ...

It is a matter of common knowledge that in processes of genesis and evolution of many solar phenomena participate magnetic fields of sunspots. ... As a basis for formation of the database we take data on magnetic fields, collected by set of observatories during many years of observations. ... Section "Magnetic field data" contains data of magnetic field observation for separate sunspots, presented in standard text format (ASCII). ... Description of structure of these files is presented here . ...

... TOPOLOGICAL AND METRIC SPACES TOPOLOGY-1, SPRING 2012 Г. of a Hausdor space is closed; (c) the image of a compact space under a continuous map is compact. Problem 2. Let A Rn be a closed subset, let C Rn be a compact subset. ... A subset K R is compact if and only if it is bounded and closed. ... Prove that (a) the image of a connected space under a continuous map is connected; (b) the same, for path connectedness; (c) an open subset in Rn is connected if and only if it is path connected. ...

... FTP access the basic models is here . ... Below, we put short descriptions of the used SED models for the photometric redshifts providing by the current server . ... The uniqueness of this model consists in expanding to the near IR (NIR) of Rocca-Volmerange and Guiderdoni's (1988) atlas of synthetic spectra with a revised stellar library, which includes parameters of cool stars. ... Homepage of the GISSEL model). ... Another model used earlier is the model of synthetic spectra of Poggianti (1997). ...

RTT150 . Russian-Turkish 1.5-m Telescope . ... Until 2002 observations were mostly performed with ST-8E CCD in the 1:7.7 Cassegrain focus. ... In April, 2003 telescope was equipped with a larger-size CCD Andor DW436 . ... 2048 x 2048 pixels, . ... Since summer of 2002 the main focal detector of the RTT150 telescope was AP47p CCD in 1:7.7 Cassegrain focus. ... During September 3-13, 2002 works on installation of new autoguiding system ( photo 1 ) were carried out on RTT150 telescope. ...

. Statistics of sunspot activity . The sunspot indices . My observations . NGDC's observations . The solar regions . Links . About authors . Russian pages . The solar regions . NOAA 11300's . NOAA 11200's . NOAA 11100's . NOAA 11000's . NOAA 10900's . NOAA 10800's . NOAA 10700's . NOAA 10600's . NOAA 10500's . NOAA 10400's . NOAA 10300's . NOAA 10200's . NOAA 10100's . NOAA 10000's . NOAA 09900's . NOAA 09800's . NOAA 09700's . NOAA 09600's . NOAA 09500's . NOAA 09400's . NOAA 09300's .

... Tour Objects Tours can be created using objects from within the Autostar database or a user can enter in different objects (such as a newly discovered comet). ... Automatic Mode: As the user advances to each object, the title of the object appears on line 1 of the display while its descriptive text automatically starts scrolling across line 2. ... For example: STAR "Rigel" LANDMARK az alt "title" "description" Enter the azimuth (az) for the desired object in the following format xxxdxxmxxs. ...

... View from a tower . ... in the launch table . One of 2 Energia-Buran launch pads converted from N-1. There is also one more Energia launch pad called Versatile Stand-Start Complex. ... The giant N-1 tower still exists. Moreover, it looks like most photos of Buran on the launch pad were shot from this tower. One of 2 N-1 launch pads. N-1 pads were later converted for Energia-Buran program. Proton launch pad. Mobile tower is moved away from the rocket. ...

... Alors qu'il y a moins d'un siцЁcle - c'ц©tait en 1923 -, l'astronome amц©ricain Edwin Hubble a dц©montrц© qu'il existe des galaxies extц©rieures ц  la nцґtre, en ц©tablissant la prц©sence d'ц©toiles dans la "nц©buleuse" d'AndromцЁde, nous en sommes aujourd'hui ц  nous demander ce qui "accц©lцЁre l'expansion de l'Univers". ... La premiцЁre suppose que l'Univers est rempli d'une mystц©rieuse ц©nergie sombre, qui contrebalancerait le freinage gravitationnel produit par toute la matiцЁre du cosmos. ...

... Page not found . ... Задачей КА Mars Express, является выполнение научных исследований, которые не состоялись из-за аварии российского КА Марс 96. ... Mars Express будет запущен в начале июня 2003 года с Байконура ракетой-носителем "Союз-Фрегат". Выход на орбиту Марса планируется на 26 декабря 2003 года. ... КА Mars Express также будет выступать в качестве ретранслятора для посадочных ступеней других международных миссий по исследованию Марса. ...

. Final stage of OC "MIR" flight . OC "Mir" has ceased its existance . Flight procedure for March 23, 2001 . OC "MIR" layout . Press release . OC "MIR" destruction sequence . Trajectory report . 23.03.2001 . 03.53.14 The 1-st corrective impulse is performed normal. 05.24.28 The 2-nd corrective impulse is performed normal. 09.00 OC "MIR" has ceased its existance .

RELATIVE SUNSPOT NUMBERS Description of Data from SGD Explanation of Data Reports: Relative Sunspot Numbers -- The relative sunspot number is an index of the activity of the entire visible disk of the Sun. ... The provisional daily Zurich relative sunspot numbers, Rz, were based upon observations made at Zurich and its two branch stations in Arosa and Locarno and communicated by M. Waldmeier of the Swiss Federal Observatory. ... This indicates the uncertainty above and below the predicted number. ...

Вы находитесь здесь: Описание программы . ... Общее описание . Установка параметров . ... Описание программы . ... Наблюдатель может располагаться как на поверхности любой планеты, так и на борту космического аппарата с заданной орбитой. На дисплее отображается видимая картина расположения в поле зрения звезд, планет, а также и космических аппаратов, орбиты которых были сообщены программе. ... В программе имеется режим координатного отождествления звезд, вводимых из внешнего файла. ...

I/208 90000 Stars Supplement to the PPM Star Catalogue (Roeser+ 1994) ================================================================================ The 90000 Stars Supplement to the PPM Star Catalogue Roeser S., Bastian U., Kuzmin A.V. =1994A .. ... These stars constitute the 90,000 Stars Supplement to PPM. ... III and IV, positions and proper motions of 197179 stars south of -2.5 degrees declination. ... Star catalogue of positions and proper motions north of -2.5 declination. ...

... Planets . ... The red planet: Mars . ... It is for his extensive research into Mars that he has been honoured in the ExoMars 2016 mission.€а It was a group of Italian scientists that first proposed the honour to the President of the Italian Space Agency who passed the recommendation onto ESA .€а тАЬConsidering the importance of Giovanni SchiaparelliтАЩs pioneering observations of Mars , it was an easy decision to give his name to the ExoMars module that is paving the way to the future ...

... Speed clips mount or disconnect pouches and other gear quickly and efficiently by weaving them under the webbing of the platform, alternately weaving it between the platform and pouch. ... Speed clips contain an accessory lanyard hole . ... simply cut the strap off or tuck it behind the Speed Clip) . ... Женские ботинки Thermoball Lace от The North Face займут достойное место среди вашей коллекции спортивной обуви. ... Ботинки Thermoball Lace - отличный выбор стильной и технологичной зимней обуви. ...

... ISC Kosmotras . ... Dnepr launch record 17 August 2011. ... On 9 September 2009, a contract was signed between ISC Kosmotras and SSTL for the launch of Nigeria-2 and NigeriaSat- у satellites on Dnepr rocket as part of 2010 cluster launch from Yasny Launch Base. According to information provided by SSTL the NigeriaSat-2 satellite is being built for the Nigerian government (NASRDA) as a follow-on to the NigeriaSat-1 satellite that was launched in 2003. ... E-mail: info@kosmotras.ru . ...

... J5: Radio and Radar Studies of the Solar System. ... Analogously, the key idea of the USSR (United Solar System Radar) concept would be the thousandfold increase in sensitivity over existing radar astronomy facilities, and besides, only the tenfold increase in transmitting power and collecting areas of transmitting and receiving antennas is necessary for this purpose. ... So, let us try to imagine the scientific impact, which would provide this United Solar System Radar. ... 3)  Asteroid's moons; . ...

Physica B 284}288 (2000) 649 } 650 Superconductor}insulator transition in amorphous In}O lms V.F. Gantmakher*, M.V. Golubkov, V.T. Dolgopolov, G.E. Tsydynzhapov, A.A. Shashkin Institute of Solid State Physics RAS, 142432 Chernogolovka, Russia Abstract From experiments with amorphous InO lms, three conclusions are made: (i) The pattern of the superconducV tor}insulator transition (SIT) seen before for 2D ... Fig. ... Hence, in each "eld the bosons and the fermions coexist. ...

... Bad Astronomy . ... Bitesize Astronomy . ... Mad Science . ... Universe Today . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Area of science: Astronomy . ... In other words, will the universe eventually cease to be? ... The conservation principle evokes an analogy of a circle representing existence, having no definitive beginning or ending point. ... The Universe will never cease to be. ... The point is, the Universe will probably expand forever. ... 2008 Phil Plait....