THE KAIDUN METEORITE: WHERE DID IT COME FROM? ... The formation of the subalkaline and alkaline clasts of the Kaidun meteorite, apparently also requires deep differentiation of material in a fairly large parent body. ... These differences in structure of two genetically linked clasts, due to the different encounter speeds of the clasts with the parent body of Kaidun, obviously indicate that these two events were separated in time. ... References: [1] Ivanov A.V. et al. ... 16] Ivanov A.V. et al. ...

... The UNIVERSAT-2009 Symposium (28 September - 1 October 2009) will cover a wide variety of topics centered around the theme "University satellites in space sciences education", and is meant to inform the entire university and space-interested community on the new initiatives and university satellites projects in space sciences and technology education. ... I. Space Sciences Education: . ... Hands-On Space Exercises, . ... Cooperation Ideas in Space Sciences Education and Public Outreach. ...

... Seminar archive . ... Бескин В. С. В последнее время заметно снизилось количество работ, посвященных классическим проблемам пульсаров -- теории магниосфер радиопульсаров и теории происхождения пульсарного радиоизлучения. ... In the last years the number of papers devoted to classical problems - theory of the magnetosphere of radio pulsars and theory of their coherent radio emission - decreased abraptly. ... I'm going to review the last theoretical works on radio pulsars. physics. All seminars: . ...

... The spectrum of the brightest star, our Sun, shows several dark gaps perpendicular to the flow of it’s colours (figure 1). These so called spectral absorption lines where discovered in 1802 by the English scientist William Wollaston. ... Some stars as Pollux show a spectrum similar to that of our sun with strong Ca II and Fe II lines, others as Sirius or Vega show strong absorption lines of hydrogen, others, as Mira show very complicated spectra due to molecular absorption lines (see figure 5). ...

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... 2 Measurement of PMTs counting characteristics and selection of op erating p oint To select the operating point of the PMT, that is the optimal values of the high voltage supply and pulse discrimination threshold, the command run counting=hv value is provided in the program mass. ... Starting with the minimum voltage (say 550 V) run command run counting=550 for the measurement execution. ... It is recommended to take measurements for the set of values of 0.4, 0.6, 0.8, 1.0. ...

... Наблюдения (Модераторы: tlgleonid , SP ) > . Possible GRB . ... Отчеты о наблюдениях . ... Наблюдения . ... Оффлайн . Сообщений: 2108 . Благодарностей: 21 . ... 16 Февраль 2011, 19:16:44 ? ... SUBJECT: OT 110215: possible GRB from 2MASS J00264184+8324093 . ... reflector and CCD the bright optical flash was detected starting on 2011 . ... Lightcurve: http://hea.iki.rssi.ru/~denis/J002641+832409-LC-Sergei.png . ... Записан . ... Сообщений: 3068 . ... Ответ #1 : 16 Февраль 2011, 19:21:11 ? ...

... Active Skepsis . ... Probably, one should know the results from any actions. ... As a result, a sceptic, who discredits, for example, the tales of Christian wonders, has to follow the practical recommendations of Christianity or any other belief knowing how to act. ... As a result, scepticism restricts itself with discrediting secondary wonders, permanently replacing one doubtful interpretation with another and telling nothing of life and action. ... Yuri Tikhonravov, Ph.D. Translated from Russian ....

GENERAL INFORMA T ION ABOUT How does my LOMO® Night Vision Device Work? ... LOMO® NIGHT VISION DEVICES & FAQs When using a Night Vision Device, you are actually looking at an image that is projected by the intensifier tube located inside the unit (Fig. ... Light enters the Night Vision Device through the objective lens and hits the photocathode in front of the intensifier tube. ... Infrared (IR) Illuminator Microchannel Plate (Gen.2 Only) When do I use my LOMO® Night Vision Device? ... Fig. ...

... THE 'VON OPEL FLIGHTS' . ... Raab, with his partner Diploma Engineer Kurt Katzenstein would apply to their lightest aeroplane the solid-propellant Sander rockets that had proven themselves so well in Fritz von Opel's rocket cars. ... The von Opel-Sander-Stamer-Lippisch tests were elevated to a full-scale airplane immediately after the model flights ; in effect, this was to be the first manned rocket flight. ... FRITZ VON OPEL at the controls of the Opel Sander Rak. 1 rocket plane. ...

Journal of Atmospheric and Solar-Terrestrial Physics Manuscript Draft Manuscript Number: ATP1021 Title: comment on the paper by Dalin , Pertsev and Romejko Significance of lunar impact on noctilucent clouds ( revised version) Article Type: Research Paper Section/Category: Keywords: Noctilucent clouds moon influence mesosphere Manuscript Region of Origin: Abstract: a critical review of the paper by Dalin , ... Reference: Dalin, P.A., N.N. Pertsev, V.A. Romejko. ...