... Глава 4. ... Торможение небесных тел . ... Это относится и к небесным телам Солнечной системы. ... На основании этого можно сделать вывод, что торможению подвергаются и все небесные тела Солнечной системы, как и других звездно-планетных систем, при наступлении галактических зим, когда Солнечная система проходит в своем обращении вокруг центра Галактики через спиральные рукава, а также через плоскость Галактики между рукавами или через газово-пылевые облака, встретившиеся на периферии Галактики. ...
... Институт прикладной математики им. М.В.Келдыша . БАЛЛИСТИЧЕСКИЙ ЦЕНТР . ... С 1948 г. М.В. Келдышем сначала в Математическом институте АН СССР (МИАН), а затем в Институте прикладной математики АН СССР в отделе, возглавляемом Д.Е. Охоцимским, был развернут широкий фронт работ по ракетодинамике и механике космического полета. ... В этих работах участвовали ведущие специалисты нашего Института в области механики, управления, программирования, прикладной математики и вычислительной техники. ...
... Telescopes ћ Binoculars ћ Microscopes . Meade Ultra-High Transmission coatings (UHTC ) Group . ... Meade Standard Coatings: The optical surfaces of all Meade telescopes include high-grade optical coatings fully consistent in quality with the precision of the optical surfaces themselves. ... These specialized, and extremely advantageous, coatings are offered here as the Meade Ultra-High Transmission Coatings (UHTC) group, a coatings group available optionally on many Meade telescope models. ...
... Near-infrared Integral-Field Sp ectrograph ( NIFS ): An Instrument Prop osed for Gemini Peter J. McGregor, Peter Conroy, Gabe Bloxham and Jan van Harmelen Research School of Astronomy and Astrophysics, Institute of Advanced ... gabe@mso.anu.edu.au, jan@mso.anu.edu.au Received 1999 March 11, accepted 1999 July 15 Abstract: In late 1998 the International Gemini Pro ject Office identified a need for a low cost, near-infrared spectrograph to be commissioned on the ...
. В&K : Статьи и литература : . И.А. Климишин. Заметки о нашем календаре . История нашего календаря . И сказал Бог: да будут светила на тверди небесной, . для отделения дня от ночи, и для знамений, . и времен, и дней, и годов... И создал Бог два светила великие: . светило большее, для управления днем, . и светило меньшее, для управления ночью, и звезды. И поставил их Бог на тверди небесной, . чтобы светить на Землю, . и управлять днем и ночью, и отделять свет от тьмы. И увидел Бог, что это хорошо. И был
... Modern problems of physics and dynamics of the solar system". Kyiv, October, 4-10, 2000. 2001. ... 2000. ... Криводубський В.Н., Крячко ?. ... Evtushevsky O.V., Milinevsky G.P., Kravchenko V.O., Gritsai Z.I "The high-speed initial expansion of the barium atoms and ions in the CRRES Caribbean releases" // В?сник Ки?вського ун-ту. ... Tugay A. "Galaxy distances data unification from RFGC and Mark-3 catalogues" // 8th Open Young Scientist' Conference on Astronomy and Space Physics. ...
... Observing . ... Supernova showered Earth with radioactive debris . ... Radioactive decay of titanium powers supernova remnant . ... The European Space Agencyт??s (ESA) INTEGRAL space observatory has made the first direct detection of radioactive titanium associated with supernova remnant 1987A. The radioactive decay likely has been powering the glowing remnant around the exploded star for the past 20 years. ... Only registered members of Astronomy.com are allowed to comment on this article. ...
... Views of the Moon . Apollo Lunar Surface Journal . ... Because the Moon has neither an atmosphere nor any water, the components in the soils do not weather chemically as they would on Earth. ... Courtesy NASA) . ... This view of the Earth rising over the Moon's horizon was taken from the Apollo 11 spacecraft. ... A close-up view of an astronaut's footprint in the lunar soil, photographed with a 70mm lunar surface camera during the Apollo 11 extravehicular activity (EVA) on the Moon. ... Earth . ...
For calculating model spectra of early-type helium stars in LTE, we maintain a database of atomic data for, mostly, blue-visual absorption lines of light elements. The data is sorted with one file for each ion. ... III = ++ . ... It will work on both complete linelists (including the atomic data at the start and references at the end) or raw ion files (such as Ni2.d). ... A Fortran utility to convert linelists downloaded from the Vienna Atomic Line Database into the new QUB format. synspec_qub . ...
NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Astronomy . ... Visitor Center . ... Planetary Radar . ... Moon . ... No clear evidence of ice was found, although there are a small number of areas of anomalous backscatter at the south pole, which warrant further study. ... This radar image in delay-Doppler coordinates of the south pole region of the Moon was made at Arecibo in a search for ice in permanently shadowed areas. ...
Aims:In order to gain new insight into the unidentified identity of the diffuse interstellar band (DIB) carriers, this paper describes research into possible links between the shape of the interstellar extinction curve (including the 2175 ц… bump and far-UV rise), the presence or absence of DIBs, and physical and chemical conditions of the diffuse interstellar medium (gas and dust) in the Small Magellanic Cloud (SMC). ... ADS Citation Query . ... citations vs. year [year,citations] . ...
Astronotes Armagh Planetarium's Stellar Blog! ... Moon . ... The first successful rover to land on the Moon was in fact the Soviet Unionт??s robotic Lunokhod 1 . ... Likewise, every part of the Lunar Roving Vehicle had to be able to withstand the extreme temperature variations experienced on the surface of the Moon, ranging to 150 degrees below freezing. ... How did they get the lunar rover on the moon? ... You might enjoy our article NASAт??s Lunar Module: Everything You Need to Know (link) . ...
... During the past spring and summer, the eyes of the astronomical community were riveted on the dramatic news of the Hubble Space Telescope ( HST ). ... to an error at the company that manufactured its pioneering mirror, the telescope had a major flaw. ... How does the mirror flaw affect the working of the telescope? ... For Further Information The Hubble Space Telescope is the largest and most complex telescope ever put into orbit. ... Smith, R. The Space Telescope . ...
... Bad Astronomy . ... Movies . ... SPOILER WARNING! ... So again thanks for the input, but at this point I will consider this review done, if not complete. Here's the short version: "Armageddon" got some astronomy right. For example, there is an asteroid in the movie, and asteroids do indeed exist. ... First off, there are no asteroids in the solar system that big. ... I have hashed this out in my review of the movie "Asteroid" as well. ... Using Hubble is a big deal in these types of movies. ...
Observational Stellar Astronomy . Articles | ... We are made of star stuff" . ... TEMPERATURE OF A STAR: . ... The temperature of a star can be found out easily by simple observations. ... STAR . ... SPECTRAL CLASS: . All the stars in this universe are divided in to spectral classes based on their spectral lines. ... The spectral class of a star and the temperature of a star are related. So the spectral class can be found for a star since we know its temperature. ... www.astronomy.net . ...
Truebloodb,g, K. Zelayab Department of Astronomy, The Ohio State University, 140 West 18th Avenue, Columbus, OH 43221 USA; bNational Optical Astronomy Observatory, 950 North Cherry Street, Tucson AZ 85719 USA; cCerro Tololo Inter-American Observatory, Casilla 603, La Serena ... USA ABSTRACT We describe the design, construction and measured performance of the Kitt Peak Ohio State Multi-Object Spectrograph ( KOSMOS ) for the 4-m Mayall ... Optical layout for KOSMOS and COSMOS. ...
... 000, 117; (2005) Printed 28 March 2006 A (MN L TEX style file v2.2) The star formation history of early-type galaxies as a function of mass and environment M.S. Clemens1 , A. Bressan 1 2 3 4 1,2 INAF-Osservatorio Astronomico di Padova, Vicolo dell'Osservatorio, 5, 35122 Padova, Italy. ... We calculate the Lick indices for the entire sample and correct for aperture effects and velocity dispersion in a model independent way. ... 2005). ... The mean velocity dispersion is higher in denser environments...
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Ссылки http://www.mrao.cam.ac.uk/~bn204/mk2/publications/2006/MF1210rv2.pdf -- 2006.0 Кб -- 25.11.2009 Похожие документы
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The NIFS layout is based on the realisation that significant cost savings will arise from packaging NIFS in an identical container to that used for NIRI. NIRI is the near-infrared imager being constructed by the University of Hawaii for Gemini North. ... The NIFS integral-field spectrograph will replace the NIRI camera on this face. ... The OIWFS will use a Rockwell 1024 1024 detector and an SDSU-2 detector controller , as does NIRI. ...