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Astronotes Armagh Planetarium's Stellar Blog! ... Comets and Asteroids . ... Earth Satellites . ... Thankfully, throughout the human species? life span falling asteroids or large impacts have not killed anyone. However, around 65 million years ago an asteroid or comet about 10km (6 miles) wide caused global extinction for around 70% of all life when it crashed into the Earth. ... It makes sense now to link the Chicxulub impact crater with a large asteroid that impacted 65 million years ago. ...

orion_b_coadd_20120225_l2.fits EXPTIME = 1.600000000000E +03 / Maximum equivalent exposure time (s) orion_b_coadd_20120225_l.fits EXPTIME = 1.600000000000E +03 / Maximum equivalent exposure time (s) orion_r_coadd_20120225_l2.fits EXPTIME = 1.600000000000E +03 / Maximum equivalent exposure time (s) orion_r_coadd_20120225_l.fits EXPTIME = ...

... Tonight's Sky . ... The Magazine . ... Observing . ... Star Atlas . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Celestial sampler . ... This area of sky may not contain many bright stars, but it offers a variety of celestial targets, from red stars to galaxies. Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

. Руководитель группы . Брумберг Виктор Александрович . доктор физико-математических наук, профессор . Тематика исследований группы. Релятивистские редукции оптических и радиотехнических наблюдений. Релятивистская иерархия систем отсчета. Релятивистские шкалы времени. Релятивистские уравнения поступательно-вращательного движения тел и гравитационное излучение. На предыдущую страницу . На первую страницу

Laboratory of Celestial Mechanics and Stellar Dynamics . Personal Laboratory Page . Head of Laboratory . ... Cand. Sci. eroshkin@gao.spb.ru . ... Aleshkina, . ... Sci. aek@gao.spb.ru . ... Dr. Sci. antonov@gao.spb.ru . Alexander S. Baranov, . Dr. Sci. baranov@gao.spb.ru . ... Alexander V. Mel`nikov . ... Dr. Sci. petrovsk@gao.spb.ru . ... Dr. Sci. iis@gao.spb.ru . ... Sci. socolv@gao.spb.ru . ... Sci. ... Sci. elenatim@gao.spb.ru . ...

. Parent Directory . forever.scarlet.passion . solar.lovers

Suppose measuring system has 16 electrodes. ... If the measuring system doesn't perform redundant measurements, as the current injection through electrodes n and m is equivalent to the injection through electrodes m and n , corresponding redundant values should be set to zeros as in the following example: POLAR 16 0.000 0.908 0.513 0.313 0.202 0.280 0.752 0.000 0.000 0.869 0.351 0.243 0.297 0.311 0.340 0.000 0.000 0.000 1.358 0.484 0.205 0.212 0.355 1.214 0.000 ... EIT Gallery ...

... Graduated from Moscow State University in 1970 and till now in permanent staff of the Sternberg Astronomical Institute, Moscow State University. ... Member, Euro-Asian Astronomical Society . ... Jointly with Dr. V.Konnikova, I teach a course in Radio Astronomy at the Astronomy Division , Physics Department of Moscow State University . ... Astronomical Meetings . ... Net Search: MetaCrawler . ... Moscow State University . ... Rudnitskij, Georgij M. Page last updated November 25, 2015. th . ...

... Apache HTTP Server Version 2.2 . Apache > HTTP Server > Documentation > Version 2.2 > Programs . ... apachectl is a front end to the Apache HyperText Transfer Protocol (HTTP) server. It is designed to help the administrator control the functioning of the Apache httpd daemon. The apachectl script can operate in two modes. ... If your Apache installation uses non-standard paths, you will need to edit the apachectl script to set the appropriate paths to the httpd binary. ... Starting Apache . ...

... Telescopes . ... The spectrograph is installed in the Nasmyth focus of the BTA telescope, the equivalent focal length is 186 m (F/31). ... The preslit device unit is marked by number 3. ... Fig. ... slit unit of the MSS, 4.1 ? ... The spectrograph slit unit consists of a mirror that redirects the light beam from the Z axis and from the calibration path at an angle of 65њ to the axis of the telescope focus into the slit, the order separation filter, the block of the slit and the shutter (Item 4 in...

... Main . ... Telescope . ... Diameter of the main mirror, mm . ... The length of the telescope tube, mm . ... Weight of the main mirror, kg . ... Weight of the main mirror in holder, kg . ... Weight of the telescope, kg . ... field of . ... 1:7.7, with corrector . ... 1:7.7, without corrector . ...

... The cross entropy for this complex image is given by ( 16 ) and ( 17 ). ... Differentiating ( 31 ) with respect to and , we find the gradient of is given by . and upon differentiating once more we find the Hessian (curvature) matrix of has the form . ... and its Hessian matrix reads . ... From ( 16 ) and ( 17 ), we find the components of the gradient vector of the cross entropy are given by . ... Differentiating once more we find the components of the Hessian of the cross entropy to be given by . ...

... Bad Astronomy . ... Bad Astronomy: The North Star, Polaris, is a very bright star. Good Astronomy: Polaris is a middling-bright star, easily missed. ... He said it was close to Polaris, the North Star, but he also said it was in the East. ... It's natural, I suppose, to think that such an important star should be bright, but really, that's a conceit, like thinking that the Earth is at the center of the Universe. If more people knew just why Polaris is the North Star, this Bad Idea would stop. ...

. -!> download . Left: Consequtive explosion of 20 supernovae during 30 Myr. Right: Single hypernova (GRB) explosion with the total energy equivalent to 20 supernovae. The simulation was performed using a 2D Eulerian hydro code. The animation was done using IDL. -!>

ARCSAT ID NUMBER: AS07 DESCRIPTIVE TITLE: Time Domain Studies of Transients and Variable Stars PI: Guy Stringfellow OBSERVER(S): Guy Stringfellow, CU undergrads: Tina Mazur, Maura ... UNCERTIFIED/UNTRAINED OBSERVERS: 1+TBDs CU undergrads. (all names identified specifically above have been fully checked out using ARCSAT ) COLLABORATORS: CONTACT INFORMATION: Guy.Stringfellow at colorado.edu 303-506-3160 cell NUMBER OF WEEKS REQUESTED: 3 ... M31 mostly a 1st half of the night target in Q4-2015. ...

. This is a new popup window - close it when you are done . Submitted by William Lee on 10/21/2007 14:54:10 . Orion . Nikon D70 DSLR, Nikon 55-200mm ED zoom lens at 55mm (equivalent to 82mm on 35mm film), piggybacked on C8/G11. 24x30 second exposures, F4 at ISO 1600. Processed with MaximDL-DSLR. Imaged October 21, 2007, 4AM-5AM. Logon to post a follow-up comment or review comments from others . Copyright (c) Amateur Telescope Makers of Boston, Inc. About Us Contact Us

... Malton, Ontario, Canada Engineer (1956-1959) NASA INVOLVEMENT: NASA Space Task Group, Langley Field, Virginia Aeronautical Research Engineer, Communication Control Techniques, Flight Control Facilities Section (1959-1961) NASA Manned Spacecraft Center / Johnson Space Center , Houston , Texas Aeronautical Research Engineer, Operational Facilities, Flight Operations Division (1961-1963) Chief, Operational Facilities, ... Houston, TX: NASA Manned Spacecraft Center, October 1967. ...

... Meade Instruments Corporation . ... Autostar Computer Controllers . 497 Autostar . ... One of the most important advances in telescope control in the past 25 years, the Meade #497 Autostar Computer Controller turns the ETX into an automatic celestial object locating system. ... The #497 Autostar Computer Controller plugs into the control panel of ETX-90EC, ETX-105EC, and ETX-125EC telescopes and enables automatic location of more than 30,000 celestial objects. ... about meade | ... Meade 4M | ...

Lab . Main page News People . ASA . Master . Master net Homepage . ... Lomonosov Moscow State University Sternberg Astronomical Institute . ... MASTER . ... Lomonosov (ShOK) . ... About Space Monitoring Laboratory, scientific directions, instruments, contacts . People, who work in lab . Latest news and news archive . ... 27.02.2012 . ... All news ...