... What Have We Learned About Halley's Comet? ... Until the Russian VEGA and the European Giotto spacecraft flew by Halley's core, people had never really seen the heart of a comet! ... showed that the comet's nucleus was about 15 kilometers long and 8 kilometers wide. ... The Giotto spacecraft came within 600 km of the comet's nucleus, surviving the great gas and dust storms of the inner coma. ... Comet Halley's dark icy nucleus (center) and bright "jets'' of gas and dust as photographed by "Giotto''....
... com program: alfa_motor.c . ... Check the status of the alfa motor controller . ... source : /home/cima/Wapp/Software/Dual/Sources/Utilities/alfa_motor. c . binary: /home/cima/Wapp/Software/Dual/Progs/Wapp/alfa_motor . ... su -c /home/cima/Wapp/Bin/Progs/Start/start_alfa_motor wapp . ... ALFAMOTOR: . ... alfa motor_position . ... From within cima the restart alfa programs button will restart alfa_motor The alfamotorwin program is a gui based program that lets you read the motor status: . ...
Astronotes Armagh Planetarium's Stellar Blog! ... Earth Satellites . ... So if we as humans rely heavily on refreshing H 2 O to survive, a holiday home on Mars is probably not going to be as relaxing as one in the Bahamas! The Red Planet does have water, but it is nearly exclusively in the form of ice located at both the polar ice caps and roughly a quarter of a mile below the Martian surface. ... An unusual issue that you may think would be a big problem for living on Mars is the dust! ...
ATM Forum Message . Forums: . ... Post . ... Polished Mirror . ... Post Message | ... The info on how to test a polished mirror is often distorted because of the assumptions of the writer. If you're unsure of what is right on testing a surface for polish, take a window glass and do the same test on it. ... www.astronomy.net . About Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...
... Members . ... The ATM's of Boston was founded in 1934 by a group of persons interested in assisting others in the art of optical polishing the craft of telescope making, and to learn together about the science of astronomy and the use of astronomical instruments. ... Mr. Jones introduced the club to Dr. Harlow Shapley at Harvard College Observatory. ... Regular shop activities resumed with the help of these "professional amateurs" and the club grew to 180 members. ... Club Newsletters . ...
... The Meade Series 4000 Zoom Eyepiece has changed that impression completely and forever. ... Meade Series 4000 2x Apochromatic Barlow Lens (1.25") . Exclusive Meade 3-element, air-spaced design; thousands now in use worldwide. #140 2x Apochromatic Barlow Lens: The most advanced Barlow lens yet developed for commercial telescopes, the Meade #140 2x Apochromatic Barlow includes a 3-element, air-spaced telenegative lens unmatched in image resolution, contrast, and color correction. ... about meade | ...
OptInt PmWiki . Pm Wiki / . ... Wiki Farm Terminology . administrators (intermediate) There are many ways to configure PmWiki:WikiFarms , and some of the documentation uses different terminology to describe the same things. ... All of the wikis in a farm are more or less the same, except the "home wiki" is a wiki that is located in the same directory as the PmWiki software. ... Some authors have used this to mean the directory that contains most of the shared components on a wiki farm. ...
... Your main research interests concern neutral hydrogen. ... That means that there must be enormous quantities of gas lying around, waiting for the chance to collapse under its own weight into lumps and form stars and galaxies. If we could actually observe this gas, as it moves around and assembles itself into lumps, we would be directly observing the process of galaxy formation. ... Optical astronomers seem to think that they can observe galaxy formation by taking optical images. ... In galaxies. ...
... Б.В. Сомов . заведующий отделом . ... комн. ... старший научный сотрудник . ... научный сотрудник . ... Современные космические наблюдения Солнца обладают высоким пространственным, временным и спектральным разрешением. ... Расчеты, анализ магнитных полей в атмосфере Солнца и сравнение с многоволновыми наблюдениями активных областей и солнечных вспышек. ... 27 сентября 2013г. Отдел физики Солнца посетила съемочная группа ведущего российского телеканала "Вести-1". Фото 1 Фото 2 Фото 3 . ...
... Молекулярно-пучковая эпитаксия и исследование фундаментальных физических свойств низкоразмерных полупроводниковых гетероструктур (квантовых ям, серхрешеток, квантовых точек) на основе: . ... широкозонных полупроводниковых соединений А 2 В 6 , а также ZnO, для оптоэлектроники видимого и УФ спектрального диапазона и фундаментальных исследований в области спинтроники; . А 3 -нитридов для оптоэлектронных применений в видимой и УФ области спектра, а также для исследований в области плазмоники. ...
... After the edit, recompile the kernel and recompile the Apache server then reboot. ... If you're running a really busy BSD Apache server, the following are useful things to do if the system is acting sluggish: . ... Maximum # of processes . ... This machine is a server that handles lots of traffic, # so we crank that value. options NMBCLUSTERS=4096 # mbuf clusters at 4096 # # Misc. options # options CHILD_MAX=512 # maximum number of child processes options OPEN_MAX=512 # maximum fds (breaks RPC svcs)...
... Opinions are offered on the likely outcome of current FITS negotiations, such as the year-2000 problem and the WCS proposal, and on possible subjects of future data interchange format negotiations in astronomy. ... Instead, the purpose of FITS is agree on the syntax of a language for talking about astronomical data, and to agree on the semantics in only a limited range of cases. ... It is easy to speculate about future FITS agreements-it is much harder to actually negotiate them! ...
... Home Articles Why is the Moon so high (or so Low)? ... Clear Sky Chart . This Month's Sky . ... Beyond New York City . ... Why is the Moon so high (or so Low)? ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . Observing Resources for Amateur Astronomers - Part 2: Intermediate Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...
Gemini IV Oral History Interview Excerpts . ... Chamber A and Chamber B [of the Space Environmental Simulation Laboratory] were just being finished at that time, so the scenario was, we were building escape systems to go in and rescue a crewman if he got in trouble while in the chambers. ... So it was a big deal back when we did the first EVA because the Russians had just done that not too long before. ... I never got up. ... Visit the JSC Oral History Collection . ... Return to JSC History Portal . ...
... 22, CAL-HB 2.1) from RGS?_ ... Version 3.86 - 2000-10-05 (GV) ------------ + disable task quantumeff in cxxtest, as this requires taskmain. + setHandler no longer available, use handler instead (CalView.cc) Version 3.85 - 2000-10-04 (UL) ------------ + new time-dependent EMOS CTI correction algorithm; is backwards compatible, i.e., pre-issue-5 CTI CCF constituents will give the same result as with old algorithm + QE curves use again CubicHermiteInterpolant + construction of CalViewable ...
... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des actualit–їs . ... des pages consacr–їes –Љ la publication de vos photos Mais c'est aussi une vraie communaut–ї avec laquelle partager votre passion et nourrir votre curiosit–ї. Accueil –А la une Une multitude d'–їtoiles hors des galaxies . ... Connaisseur de tous les massifs autour de Chamonix, J–їr–?me Obiols r–їalise d–їsormais des courses de nuit avec pour seul objectif de saisir le ciel –їtoil–ї au-dessus des Alpes. ...
MAIN PAGE . ... LINKS . ... AAL Members Sites . ... Amateur Astronomy . ... Mars Missions . Observatories Telescopes . ... astronomylinks.com. - astronomy and space links, shortcuts, favorites and bookmarks . ... Mel Bartels' Homepage about Amateur Telescope Making and a lot of interesting links (thx to Hugues Laroche for the link!) ... STEREO (Solar TErrestrial RElations Observatory) consists of two space-based observatories - one ahead of Earth in its orbit, the other trailing behind . ...
... Observatory . ... THE HISTORY OF AAAP . ... After introductory remarks by Robert Sanders, founder of the Association, it was moved that the name of the organization be Amateur Astronomers Association of Princeton. ... 2/72 First issue of Sidereal Times, so named by Editor Roxanne Tobin. ... 5/72 Election of officers: Norman Sperling, Director; John Church, Assist. ... Sidereal Times, John gives the following report: . ... Sidereal Times.) ... Amateur Astronomers Association of Princeton Т? 2015. ...
... Installing A Galil . ... This manual describes motion controllers used to control various mirrors and other devices at Apache Point Observatory. ... This decision was made because the Galil motor controller's built-in programming language is primitive and the number representation has very limited precision. ... Motion commands require a position or other parameter for each axis. ... The Galil keeps track of positions in microsteps, or in the case of servo motors, in motor shaft encoder ticks. ...
. Authors . Problem . Method . Advises . Contact Analysis of an accuracy of CCD asteroid observations carried out by professional and amateur astronomers . An accuracy estimation of CCD asteroid observations contained in the Minor Planet Center Database and carried out in the years 1999 - 2006 is realized. About 20 millions individual positions of the Numbered and Unnumbered Minor Planets were tested by means of calculations of (O-C) residuals to derive "mean error of a single observation" for more than 400