Hipparchus (and possibly Aristarchus before him) also derived the Moon's distance from the duration of a lunar eclipse . Because the Earth casts a much larger shadow than the Moon, such an eclipse usually darkens the entire Moon, for several hours. ... If the Sun is assumed to be very distant, and if the Moon crosses the middle of the shadow (if not, corrections must be made), the width of the shadow is expected to be about 2r , twice the Earth's radius r . ... Last updated 4 February 1999 Moon. ...

University Satellites and . Space Science Education . ... First circular . ... UNIVERSAT-2006 will cover a wide variety of topics centered around the theme "Space Education and University Satellites", and is meant to inform the entire university and space-interested community on the new initiatives in space science education and students satellites construction and development. ... Geophysics II.Space Researches in University Education - Heliobiology, Ecology, Atmosphere Sciences, Remote Sensing . ...

... On 26 October 2009 in Moscow, in the Russian Academy of Sciences (RAS) a meeting was held of the leading Russian scientists and statesmen with the Director General of the European Southern Observatory (ESO) Tim de Zeeuw and the Head of International Relations Rowena Sirey. ... Director General of the European Southern Observatory (ESO) Tim de Zeeuw. ... Balega, the Head of International Relations Rowena Sirey, Director General of the ESO Tim de Zeeuw, deputy director of the SAO RAS V.V.Vlasuyk . ...

... Home Other-Events Page 3 . ... Lecture Series 2014-2015 . ... Clear Sky Chart . ... This Month's Sky - 2015 . This Month's Sky - January 2015 . This Month's Sky - February 2015 . This Month's Sky - March 2015 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning 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 . ...

... joel created the event <b>ASRAS Board members meeting - monday May 9 @ Farash Center</b> . ... joel created the event <b>ASRAS MONTHLY MEMBERSHIP MEETING - Friday May 6 at Farash Center - Ionia NY</b> . ... joel created the event <b>ASRAS MONTHLY MEMBERSHIP MEETING - Friday April 1 at RIT</b> . ... joel created the event <b>ASRAS MONTHLY MEMBERSHIP MEETING - Friday Mar 4 at RIT</b> . ... 2 months ago . ... joel created the event <b>ASRAS General membership meeting - RIT - Friday FEB 5</b> . ...

... Students Life . ... Academics . ... University history . ... V.љN. Karazin . ... February 24, 2014 . Meeting of the University Academic Board . The University Academic Board held a regular meeting opened with a minute of silence to pay tribute to the victims killed in the clashes in Kyiv on February 19-20, 2014 and made a statement as to the situation in Ukraine . ... Statement of the Academic Board of V. N. Karazin Kharkiv National University as to Situation in Ukraine . ...

STS-4 . S82-33421 (4 July 1982) --- This spectacular view of the NASA 905 Shuttle Carrier Aircraft ferrying the Space Shuttle Challenger was recorded from a T-38 as the aircraft were heading for Houston, Texas and a combination "meet the Challenger and greet the STS-4 crew" ceremony at Ellington Air Force Base. ... Earlier that day they completed a successful week-long stay in space aboard the Columbia. ...

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... SuperCOSMOS Sky Survey . ... Extragalactic DataBase . ... SIMBAD Astronomical Database . ... The UVES Paranal Observatory Project . ... Sternberg Astronomical Institute (Rus.) ... European Southern Observatory . European Astronomical Society . ... Astronomical Society of the Pacific . ... National Astronomical Observatory of Japan . ... Astrophysical Journal . Astronomical Journal . ... Astronomy and Astrophysics . Monthly Notices of the Royal Astronomical Society . ... Sat24 BTA on line . ...

... Talks Posters . ... San Francisco, California (U.S.) - December 17th, 2015 . Investigating the ion-scale spectral properties of solar wind turbulence with high-resolution hybrid simulations" . ... Arcetri, Florence (Italy) - November 11th, 2015 . Ion-scale spectral properties of solar wind turbulence: high-resolution hybrid simulations" . Talk at the "Arcetri 2015 Workshop on Plasma Astrophysics" . ... High-resolution hybrid simulations of kinetic plasma turbulence at proton scales" . ...

... Conference Photograph . ... This volume contains the papers presented at the sixth annual conference on Astronomical Data Analysis Software and Systems (ADASS VI), which was held at the Omni Charlottesville Hotel in Charlottesville, Virginia, 22-26 September 1996, hosted by the National Radio Astronomy Observatory (NRAO). ... Astronomical Data Analysis Software and Systems VII 1998, ASP Conf. ... Astronomical Data Analysis Software and Systems V 1996, ASP Conf. ...

... Seminar archive . ... Seminar archive 2013 6 September . ... Амстердам, 29-30 августа 2013) . ... Потерянная темная материя в Местной Вселенной . ... Липунов В. М. Download presentation . ... рассмотрены особенности распределения светлой (звездной) и темной материи . ... Средняя плотность материи в этом объеме, . ... б) местный объем Вселенной не является репрезентативным, будучи . ... в) основная доля материи во Вселенной не связана со скоплениями и . ... проблема потерянной темной материи. ...

... LINKS . ... Founded in 1971 by a group of enthusiasts and star aficionados, our association is now counting more than 130 members.As a national association we attract hobby astronomers from the whole country to our regular night-sky observations and to the meetings in our club at Dudelange. ... Club News . ... by topic : PDF File Download (360KB) . by title : PDF File Download (640KB) . ... Article about AAL in "Le Quotidien" newspaper of Juli 21 2005 - PDF File Download (132KB) . ... SOME LINKS . ...

... Regional planning meeting for the Balkan and Black Sea | ... Proposals for a web site of the Regional Network - Information on regional and global activities - Proceedings of this Meeting - Space Weather Alerts for the public - Form for submitting research and observational proposals - Database of scientific data publicly available - Greece provides solar telescope data - Romania provides data on active regions studied with helioseismis holography - Armenia provides access to...

... Онлайн-подготовка к ЕГЭ . ... Все о ЕГЭ . ... Поступление в вузы . ... College.ru ? это профессиональный сервис онлайн-подготовки к ЕГЭ . ... Пройди бесплатный экспресс-тест по любому предмету, познакомься с конспектами в свободном доступе . Решай тесты ЕГЭ в режиме тренажера и симулятора, работай с конспектами, спрашивай у экспертов, планируй обучение . ... это профессиональный сервис подготовки к ЕГЭ онлайн. ... Теперь подготовиться к ЕГЭ 2016 можете и вы. ... Изменения в ЕГЭ 2015 года . ...

This is a progress report on the 2dF QSO Redshift Survey as was presented at the Second Coral Seas Cosmology Meeting on Dunk Island, September 1999. Three talks about the survey were presented at the conference. The others were.... QSO Clustering and Large-Scale Structure , Scott Croom et al . QSO Evolution and the Luminosity Function , B.J. Boyle et al . | << - Meeting Proceedings | Talk Overview - >> | . Robert J. Smith, ">rsmith@mso.anu.edu.au Last modified: Fri Sep 24 11:39:02 EST 1999 .

... Конференции, посвященной 30-летию САО (Н.Архыз, октябрь 1996). Результаты докладывались также на общих семинарах и конкурсах научных работ САО РАН, семинарах Национальной Оптической Астрономической Обсерватории (США), семинаре Болонского Университета (Италия), семинарах Астрофизического Института Потсдама (Германия), семинаре Гамбургской Обсерватории (Германия), семинаре Гайдельбергского Института Макса-Планка (Германия) и описаны в 7 научных отчетах САО РАН [14-20]. ...

... We like very much because it is funny, isn’t it? We all belong to “Doctor Obdulia Jim nez de Pe a” School. It is a small but very good School, here in Concepci n , Chile. Welcome to our country. Pleased to meet you.We love our school very much. ... We agree with our friends from “Rebeca Matte Bello” School about the name “Future Landers in Wonderland”. ... I am Pedro Juan and I am 10 years old. ... My favourite subjects are ; Science , English and History. ... Future Lander | ...

SDSS Readiness Review Meeting: April 25 - 27, 2000 . Sloan's readiness review meeting went off without too many hitches. ... The photos below are only of the dinner held at APO Wednesday night; no photos were taken at the meeting site or executive sessions. L) Steve Smee/UMd and John Anderson/FNL chat over lemonade before dinner is served. ... top left) Mike Crisler/FNL walking through the crowd . ... top right and at left) we had tables set up everywhere but most folks wanted to eat outside. ...

... Science with the Hubble Space Telescope - III , October 11-14, 2010, Palazzo Cavelli-Franchetti, Venice, Italy . ... 41st ESLAB Symposium: The Impact of HST on European Astronomy , 29 May - 1 June, ESTEC, Noordwijk, The Netherlands . ... 2006 : The NEON Observing schools in 2006 . ... The Second NEON Archive Observing School, ESO, Germany, 30 August - 9 September . 2005 : The ESO/ESA/IAU Conference Communicating Astronomy with the Public , 14-17 June, ESO HQ, Garching . ...