... SATELLITE: An object that revolves around a planet. ... SIDEREAL DAY: The length of a planet's rotation period relative to the stars. SOLAR SYSTEM: The sun and all the objects that are held in its gravitational field and move around it. ... SUPERIOR CONJUNCTION: The position of a planet when it is on the opposite side of the Sun from Earth (thus making in invisible). ... TRANSIT: The movement of an object between the Earth and the Sun and showing on the surface of the sun as a black dot. ...
Разработка, исследование и изготовление мощных полупроводниковых лазеров, излучающих в диапазоне длин волн 800 - 1800 нм. ... 30-летний опыт работы по разработке и изготовлению полупроводниковых лазеров . ... Диапазон длин волн - 800 - 1800 нм . ... Ознакомление с физическими и технологическими принципами работы мощных импульсных полупроводниковых лазеров с интегрированным тиристорным переключателем . ... Мощные импульсные полупроводниковые лазеры - физические основы и практическое применение . ...
... Moon . ... Monthly Sky Notes . ... On 2 July, the night sky will be filled with the light of the Moon, so get out your telescopes and binoculars and have a look at our wonderful, natural satellite. ... On 16 July will see all the stars on display in our sky, as there will be a New Moon. ... One of the most notable patterns in the sky is now very visible in the month of July, the Summer Triangle. ... The proper definition of a Blue moon is when a full Moon appears in the sky twice in one month. ...
... The caption to Color Figure 3 refers to the source 1928+734, which should be 1928+738. In the summary section on page 49 (Murphy et al.), the sentence "In that time, we have observed a variety of structural changes in the inner jet region near the region." should read "In that time, we have observed a variety of structural changes in the inner jet region near the core." In the references on page 175 (Fomalont et al.) and page 182 (Moellenbrock et al.) ...
Supernova 1999em in NGC 1637 . This page is devoted to information on Supernova 1999em in NGC 1637 Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main main page . Information on the original web pages for many of these images can be found on the Supernova links web page. ... LOSS image . ... vsnet-alert 3639 ] SN 1999em in NGC 1637 . vsnet-alert 3640 ] SN 1999em in NGC 1637 . ... vsnet-recent 39999 ] SN1999em recent (cont'd) . ...
December: A Significant Month in Apollo . In 1968 and 1972, the month of December marked two significant events in NASA history?the first and last missions to the Moon. ... When they announced Apollo 8, I just couldn't believe it, but we were all over George Low to go try it, because we were young enough to try anything. ... http://www.jsc.nasa.gov/history/apollo8_mp3/apollo8.htm . ... http://www.jsc.nasa.gov/history/HouHistory/HoustonHistory-Fall08.pdf . ... Return to JSC History Portal . ...
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. ...
... The mount is also adjustable so you can orient the axis of rotation to make it parallel with the Earth's axis of rotation (see the section on Polar Alignment). ... Locate the opening in the equatorial mount on the DEC axis. ... To mount the telescope tube: 1. ... ADJUSTING THE MOUNT FOR POLAR ALIGNMENT In order for the clock drive to track accurately, the telescope's axis of rotation must be parallel to the Earth's axis of rotation, a process known as polar alignment. ... R.A. & DEC axis ! ...
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Ссылки http://www.princetonastronomy.org/papers/losmandy_manual.pdf -- 177.1 Кб -- 16.03.2004 Похожие документы
STARTEST IMAGES GALLERY . Type: Maksutov Cassegrain . ... Inside Focus . ... Outside Focus . ... These is are the startest images of two alike 6"F/10 Maksutov Cassegrain’s. The central obstruction on these images is slightly larger than in the reality. ... Another rather easy done simulation for the second image from the left in the second table with images. ... Also the middle-ring is brighter in the simulation according to the PSF’s , this is however not so clear when you look at the images. ...
A&A 385, 113 (2002) DOI: 10.1051/0004-6361:20020143 c ESO 2002 Astronomy & Astrophysics Chemically distinct nuclei and circumnuclear rings in lenticular galaxies NGC 4429 and NGC 7013 O. K. Sil'chenko1, 1 2 3 4 2,3 and V. L. Afanasiev4 Sternberg Astronomical Institute, University Av. ... An analysis of the gas and star kinematics in the centers of the galaxies has revealed the presence of an inclined circumnuclear disk in NGC 7013 and the existence of minibar in NGC 4429. ... Fig. ...
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
Journal of the Amateur Astronomers Association of New York December 2009 Volume 57 Number 12, ISSN 0146-7662 EYEPIECE tational repulsion." ... The Moon is a fingernail crescent the morning of December 14 and shouldn't interfere with the Geminids, one of the year's most reliable meteor showers. ... Decembers Constellations. ... The group of sunspots spanned approximately one-eighth of the width of the solar disk. ... The Moon occulted parts of the Pleaides star cluster on the night of November 3-4. ...
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Ссылки http://www.aaa.org/EyepieceFiles/aaa/2009_12_December_Eyepiece.pdf -- 313.1 Кб -- 22.02.2015 Похожие документы