... 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...

VIEW OUT OF THE WINDOW FROM BROWNSVILLE, TEXAS, USA . ... We live in Brownsville, Texas which is on the border with Mexico. Our teacher has asked us to write what we see out the window of our . classroom: . ... We see a huge tree that all the leaves . ... around the tree. Across from our third grade classroom we see the first . grade classrooms. Children are going from class to class. ... The view out our window is quite different from yours! ... Mrs. Rios' Third Grade Class . ...

. Caption above photo . Angie Prosapio and Glen Federwitz (both FNL) are on site to work on fiducials and controls. With the telescope exposed and parked at zenith, Glen and Angie (not pictured) are huddled on the lower level setting up. A new public barrier has been installed across the east end of the enclosure. More views of the telescope as Angie and Glen slew it around. Photos taken by Gretchen Van Doren/APO.

History of an outer space exploration . ... The first space rockets . ... In space where there is no air, the engine which is not using air, i.e. the rocket installation is necessary for a flight vehicle. ... The Tsiolkovsky has understood, that firm kinds of fuel are not suit for space flights and has offered to use rocket engines on liquid fuel. ... Tsiolkovsky made a great contribution to the theory of rocket flight. ... From a satellite of the Earth before lunar landing . ...

... Последние изменения/Last modified 12.03.2000) . БУРИМЕ КОНДУИТ КЖП ИЗБРАННОЕ СОНЕТЫ МКЛАСС . BURIME KONDUIT KZHP IZBRANNOE SONETY MKLASS . ... На странице Буриме есть ссылки и на другие публикации о Буриме и Сонетнике. ... Последние изменения/Last modified 12.02.1999.) ... КЖП Буриме 1 день 2 дня 4 дня Треп при Буриме 1 день 2 дня . KZhP Burime 1 den' 2 dnya 4 dnya Trep pri Burime 1 den' 2 dnya . Поиск в КЖП Poisk v KZHP Поиск в Трепе Poisk v Trepe . ...

STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... Meade 4M Community . ... Telescopes . LX850 Series . ... Series 6000 APO Refractors . ... Infinity Series . The InfinityтДв Series telescopes are perfect for the observer who views both astronomical and terrestrial objects. These telescopes come with all necessary equipment in the box and feature an altazimuth mount that allows for easy and quick viewing. ... Coronado Accessories . ... InfinityтДв 90mm Altazimuth Refractor . ...

... Сначала космический телескоп Hubble обнаружил у звезды HD 209458 из созвездия Пегаса планету. ... Это одна из известных 76 планет, которые не принадлежат к нашей солнечной системе. Потом Hubble нашел у этой планеты атмосферу. Уникальна эта планета оказалась тем, что именно у нее был впервые проведен химический анализ атмосферы. ... Но это была только отработка методики, по которой теперь планируется определить наличие других веществ в атмосфере этой планеты, в том числе метана и водяного пара. ...

Laboratory of Stellar Physics . ... A study of close binaries with black holes, neutron stars and white dwarfs. ... A study of SS433 - the massive close binary with a black hole in the regime of supercritical accretion . ... A search for intermediate-mass black holes (IMBH). The black holes which are not supermassive black holes observed in quasars, and which were formed not in massive stars. ... A search for new magnetic stars, new CP stars, measurements of magnetic fields in stars . ...

... To avoid extensive numerical calculations in the statistical simulations, we treat the continuous evolution of each binary component as a sequence of a finite number of basic evolutionary states (for example, main sequence, red (super)giant, helium (Wolf-Rayet) star,     hot WD), in which stellar parameters significantly differ from each other. ... Figure 2: Schematic representation of the typical evolutionary track of a massive binary system with normal and compact star stages indicated. ...

... A rough estimation is that in the United States there is one planetarium per 100,000 population, ranging in size from the Hayden Planetarium's 20-meter dome seating 430 people, to three-meter inflatable portable domes where children sit on the floor. ... Together dblo associates make a huge impact in the architecture, interior design and development arena in London. ... With the holidays around the corner what better way to spoil your family than with your very own private home cinema. ...