... 5.12.1999 . ... Credit: Calvin J. Hamilton Explanation: Rhea is the second largest moon of Saturn , behind Titan , and the largest without an atmosphere. ... Rhea 's rotation and orbit are locked together (just like Earth's Moon ) so that one side always faces Saturn. ... Rhea 's leading surface is much more heavily cratered than its trailing surface. ... Publications with keywords: Saturn's Moon - Rhea . Publications with words: Saturn's Moon - Rhea . ... Crescent Rhea Occults Crescent Saturn . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Moon . ... Earth Satellites . ... By admin October 4, 2012 Posted in: Moon . A tiny second moon.This is Phobos (27 km across) seen over Mars by ESA's Mars Express (Image credit:ESA) . ... They concluded that at any given time Earth probably has a second moon. ... But, just perhaps, briefly the Earth had a second natural satellite seen by thousands of people.Remember the spectacular fireball witnessed over the UK and Ireland on 21 September 2012 ? ...

... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . Sun . ... The Sun's Heartbeat . ... Can a 0.2-second pulse from a magnetar put out as much energy as the Sun does in 250,000 years? ... A giant magnetar flare is incredibly bright and emits as much radiation energy as the Sun does in hundreds of thousands of years. Get instant access to subscriber content on Astronomy.com! ... Much more! ... If you are already registered on Astronomy.com, please log in below. ...

... From a Bang to a Whimper - Celebrating Differing Views of the Universe - Tuesday 12 May 2009, Trinity College Dublin . ... Constructing a 16 inch Dobsonian Telescope: Monday 11 May 2009, Ballyclare . тАШ Discover the Stars at ArmaghтАЩ - the second Cross-Border Schools Science Conference, an International Year of Astronomy 2009 event, took place in Armagh on Wednesday 29th and Thursday 30th April 2009. ... International Year of Astronomy, Ireland National Node . ...

... В книге объединены три повести: "Призрачные провода" ("Phantom wires") Артура Стрингера, "Модные приключения Джошуа Крейга" ("Fashionable adventures of Joshua Creig") Девида Грехема Филлипса и "Второй побег" ("The second elopement") Герберта Флауердью. ...

... Сегодня: 10 апреля 2016 г. Исследовательский центр NASA Ames Research Center в Маунтин Вью (Калифорния, США) открыл в виртуальной вселенной Second Life собственный остров. ... Об открытии виртуальной зоны NASA руководитель проекта Саймон Уорден объявил на очередной ежегодной конференции International Space Development, которая прошла в минувшую субботу в здании Национального космического общества (NSS). ... NASA открыло исследовательский центр во вселенной Second Life . ...

... Several frames taken and best selected saturn _0p15s_g_205d.fits TARGET = ' Saturn ' / target EXPTIME = 0.15 / exposure time ( seconds ) FILTER = ' (1) g (400-530) ' / filter DATE-OBS = ' 2010-03-31T04 :31:09' / date of observation (UT) saturn _0p15s_g_crop_205d.fits TARGET = ' Saturn ' / target EXPTIME = 0.15 / exposure time ( seconds ) FILTER = ' (1) g (400-530) ' / ...

... Over the first 4 years, its X-ray telescopes eROSITA and ART-XC will survey the whole sky with a record sensitivity in the 0.5-10 keV energy band. ... The goal of the second international Spectrum-RG conference is to discuss the different scientific topics addressed by the mission, synergies with surveys at other wavelengths, and requirements to follow-up observations.Contributed talks and poster presentations are invited on the topics related to the SRG science goals. ... Active galactic nuclei . ...

This diagram illustrates a second example of formatting an XML document. Five lines of text are displayed, all the same color. ... The second is the author's name and is in italics. ... The lines are: Fredrick the Great meets Bach Johann Nikolaus Forkel One evening, just as he was getting his flute ready and his musicians were assembled, an officer brought him a list of the strangers who had arrived. ...

... Облучатель 1 . 01-05): Техническое время, . Мингалиев М. (САО РАН) . ... 11-31): Investigation of radio spectra and variability of GPS sources, . ... 01-29): Исследования Солнца 1 (много-азимутальные наблюдения, +- 2h от меридиана) . ... 30-31): Техническое время (юстировка Плоского отражателя), . Жаров В.И. (САО РАН) . ... 26): Техническое время (ПОЛНОЕ ОТКЛЮЧЕНИЕ ЭЛЕКТРОЭНЕРГИИ), . Миленко В.С. (САО РАН) . ... 11): Техническое время (САО РАН) . ... Призов П.В. (САО РАН) . ...

... Contact . ... Local Organising Committee: Ilana Feain (Chair) Bjorn Emonts (local contact ) Vicki Fraser B rbel Koribalski ngel L pez-S nchez Tobias Westmeier Scientific Organising Committee: Ilana Feain (Chair, CSIRO-ATNF) Phil Edwards (CSIRO-ATNF) Ken Freeman (ANU) Bill Harris (McMaster University ) Frank Israel (Leiden University ) Jun Kataoka (Tokyo Institute of Technology) Ken Kellermann (NRAO) Raffaella Morganti (ASTRON) Marina Rejkuba (ESO) Rob Sharp (AAO ...

Computer Ephemeris. Second order reduction quantities. Explanations. This page consist of four little tables. First and second tables contains J a (in 0.000001 s ) and J d (0.0001") for nothern declination, third and fourth contains the same information but for southern declination. Each table have 13 informational columns headed with right ascension values, and some amount of rows, labelled with date. ...

U.S. NAVAL OBSERVATORY WASHINGTON, D.C. 20392-5420 July 23, 1998 No. 64 TIME SERVICE ANNOUNCEMENT SERIES 14 UTC TIME STEP 1. The International Earth Rotation Service (IERS) has announced the introduction of a time step to occur at the end of December, 1998. ... Coordinated Universal Time (UTC) will be retarded by 1.0s so that the sequence of dates of the UTC markers will be: 1998 December 31 23h 59m 59s 1998 December 31 23h 59m 60s 1999 January 01 0h 0m 0s 3. ... Time Service Dept., ...

Celestron Forum Message . Forums: . ... Discussion Forums | Celestron Equipment Discussion | ... Second Hand Buying Tips Please . Forum List | ... I am looking to buy a second hand scope, there are a couple of Celestron CPC 800 scopes for sale local to me. ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... Lieu : Villeveyrac, Hц©rault (34). Matц©riel de prise de vue : Boц®tier Canon EOS 10D + Zoom Sigma 70-200 f 2,8 apo. Commentaires : Conjonction Saturne-Mars-Rц©gulus du 5 juillet 2008, le soir. 2 secondes de pose ц  400 iso, focale rц©glц©e ц  70 mm. Lieu : MцЁze, Hц©rault (34). ... Matц©riel de prise de vue : Lunette 80/400 sur monture EM10, boц®tier Canon EOS 10D. Commentaires : Conjonction Lune-M45, juillet 2007. 0,7 seconde de pose ц  400 iso, traitement avec photoshop. ...

... Welcome to the Everyday Classroom Tools web site! ... When you see the symbol on the right, , it means there is an accompanying Adobe Acrobat document (in "pdf" format) you can view and print out. ... The files for download are: Title and Contents Section , The Threads of Inquiry, The Keys to Inquiry, and Folklore Resources , Assessment Strategies , and Bibliography and Journal Form . ... Kindergarten - Second Grade . Second Grade - Fourth Grade . ... Everyday Classroom Tools Home Page . ...

... Basic time functions . ... Example 2: Set a random number seed . ... Uses of time functions include: . ... time_t time(time_t *tloc) -- returns the time since 00:00:00 GMT, Jan. 1, 1970 , measured in seconds. ... timer.c */ #include <stdio.h> #include <sys/types.h> #include <time.h> main() { int i; time_t t1,t2; (void) time(&t1); for (i=1;i<=300;++i) printf(``%d %d %d n'',i, i*i, i*i*i); (void) time(&t2); printf(`` n Time to do 300 squares and cubes= %d seconds n'', (int) t2-t1); } . ...

... Namespaces . ... tcc.util.time Namespace Reference . ... Convert a TAI date (MJD, seconds) to (days, seconds in the day) More... љ . ... Convert a date to seconds in the day (losing day information) More... љ . ... Convert TAI seconds in the day to a full TAI date (MJD, seconds) More... љ . ... Convert TAI seconds in the day to a full TAI date (MJD, seconds) . ... Convert a TAI date (MJD, seconds) to (days, seconds in the day) . ... Convert a date to seconds in the day (losing day information) . ...

... First Contact Moon begins to move over Sun from West Starts at ~5:44:45 AM (about 10 minutes after sunrise) Must observe sun with filter! Good time to check and adjust mount tracking and alignment Watch for sunspots 6/21/ 2001 - Zambia ( Mario Motta ) First Contact Crescent images of Sun Natural pin-holes such as leaves on trees Pin-holes in cardboard Mario Motta Watch sky and environment Gradually darkens Temperature drops 8/11/1999 Hungary (Eric Pauer) ~1 min Before Second ...

... We can help students grasp the significance of Hubble's extremely keen eye, and learn a bit about angles and math in the process, with the following in-class activity. ... Looking through binoculars or telescopes allows us to magnify a small section of the sky. To measure sizes or distances in that small section, astronomers divide a degree into 60 smaller pieces called arcminutes, and further subdivide minutes into 60 smaller sections called arcseconds. ... 30 feet = . ... 36 seconds . ...