... Tonight's Sky . ... solar system . ... Imaging Basics . ... A solar system family portrait . ... Being in the inner solar system, MESSENGER has to constantly keep the sunshade pointing toward the Sun, which limits the periods when the different planets can be viewed even with the extra degree of freedom that MDIS has with its pivot capability." ... NASA's MESSENGER spacecraft has constructed the first portrait of our solar system by combining 34 images taken by the spacecraftт??s Wide Angle Camera. ...
... Уран - седьмая планета от Солнца и третья по размеру. ... Кольцо Урана рассмотреть вообще очень сложно, обычными оптическими средствами здесь не обойтись. ... Уран - старинное Греческое божество Неба, самый ранний высший бог, который был отцом Хроноса (Сатурна), Циклопа и Титана (предшественников Олимпийских богов). ... Как у Земли, Юпитера и Сатурна, у Урана есть магнитный хвост, состоящий из захваченных полем заряженных частиц, растянувшийся на миллионы километров за Уран от Солнца. ...
Для каждой планеты существует некая область, называемая сферой Хилла, где движение тел контролируется этой планетой. Вы можете расчитать радиус сферы Хилла для Вашего случая, используя приведенную ниже форму (по умолчанию выставлены данные для Земли): . Масса планеты (в массах Земли) . ... область орбит с обратным вращением Образование спутников возможно только в зоне 0.4 радиуса сферы Хилла, где дисперсия скоростей невелика и при столкновениях частиц происходит их слипание, а не разрушение. ...
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. ...
If the calculated chi-squared statistic exceeds a tabled value for the appropriate number of degrees of freedom, then observed values are significantly different from expected values at the confidence level indicated by p. For one degree of freedom: . p=0.05, 3.84; p=0.025, 5.02; p=0.01, 6.64; p=0.005, 7.88 . For two degrees of freedom: . ... For three degrees of freedom: . ... For four degrees of freedom: . ... For five degrees of freedom: . ...
... CostE#ective System Management Skip Schaller Steward Observatory, University of Arizona, Tucson, AZ 85721 Abstract. Quality system management of computer workstations for as tronomy can be achieved with relatively small manpower requirements, if the right coste#ective administrative design decisions are made. ... The system is designed so that one doesn't depend on four or more hosts, (such as a software server, cpu server, data file server, font server, etc.) to get work done. ...
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Ссылки http://www.stecf.org/conferences/adass/adassVII/reprints/schallers.ps.gz -- 64.0 Кб -- 12.06.2006 Похожие документы
Journal of the Amateur Astronomers Association of New York March 2010 Volume 58 Number 3, ISSN 0146-7662 EYEPIECE will save significant weight. ... The JWST will be a very large space telescope. ... March 28 Moon at perigee, 224,859 miles from Earth, 12:59 a.m. March 29 Moon lies near Saturn; full Moon at 10:25 p.m. 2 Mars and Moon Shone Bright By Joseph A. Fedrick During the nights of January and the first half of February, Mars and the Moon shone bright, although the frost was cruel. ...
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Ссылки http://www.aaa.org/EyepieceFiles/aaa/2010_03_March_Eyepiece.pdf -- 327.9 Кб -- 22.02.2015 Похожие документы
President's Message STAR FIELDS Newsletter of the Amateur Telescope Makers of Boston Including the Bond Astronomical Club Established in 1934 In the Interest of Telescope Making & Using Vol. ... The telescope was used in determining mid-course position, navigation to a lunar landmark for landing on the Moon, and navigation for liftoff from the Moon and navigation to the Command Module which was orbiting the Moon during the Astronaut's exploring the surface of the Moon. ... See you on Dec. 1st! ...
ELT MASS/DIMM instrument for atmospheric turbulence measurements. ... 1.2 Principal geometry of MASSDIMM device . ... The next chapter is a guide for alignment of the optical scheme elements the op eration which is mandatory after the device assembly or while installing the device on the telescop e. Exit pupil optics tuning (MASS segmentator and DIMM mirrors), fo cusing and lateral p ositioning of the Fabry lens, checking the entrance pupil p osition are the sub jects of particular attention. ...
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Ссылки http://curl.sai.msu.ru/mass/download/doc/elt_description.pdf -- 874.8 Кб -- 11.09.2006 Похожие документы
... Printed in the U.S.A. LENTICULAR GALAXY IC 719 : CURRENT BUILDING OF THE COUNTERROTATING LARGE-SCALE STELLAR DISK Sternberg Astronomical Institute, M. V. Lomonosov Moscow State University, Moscow 119992, Russia; katkov.ivan@gmail.com, olga@sai ... In this gas-rich S0 galaxy, its large-scale gaseous disk counterrotates the global stellar disk. Moreover, in the IC 719 disk, we have detected a secondary stellar component corotating the ionized gas. ... Figure 7. ...
Mon. Not. R. Astron. Soc. 349, 13971418 (2004) doi:10.1111/j.1365-2966.2004.07619.x The 2dF QSO Redshift Survey XII. The spectroscopic catalogue and luminosity function S. M. Croom,1 R. J. Smith,2 B. J. Boyle,1 T. Shanks,3 L. Miller,4 P. J. Outram3 and N. S. Loaring4,5 1 2 3 4 5 Anglo-Australian Observatory, PO Box 296, Epping, NSW 1710, Australia Astrophysics Research Institute, Liverpool John Moores University, Twelve Quays House, Egerton Wharf, Birkenhead CH41 1LD Department of Physics, University of
... Without further ado, let me introduce you to the wonderful stylings of Mike Allen.. Under A Dog Day (Night) Sky" . ... Black Forest Star Party" . ... But sometimes a hazy summer night can ruin any motivation for observing. ... Hazy skies usually mean steady skies, and steady air is just what the doctor ordered for observing planets and double stars. ... It has an easily observed 10.6 magnitude central star. ... I next held them to my eyes and checked the field and collimation. ... Mike Allen . ...