Pulkovo NEO Page . Central Astronomical Observatory at Pulkovo . ... Pulkovo Names of Asteroids . ... The list of Potentially Hazardous asteroids for the Earth with minimum interorbital distance D less than 0.05 AU and absolute magnitude H not more than 22.0. The osculating orbital elements of Potentially Hazardous Asteroids. These elements are adopted from the MPCORB catalog ( http://www.minorplanetcenter.org/iau/MPCORB.html ). ...

... Proximity e#ects of com­ ponents (reflection of radiation and surface gravity darkening) are taken into account. ... As an example, we consider the Algol (# Persei) system, where an eclipsing pair (Algol A­B) is accompanied by the third component (Algol C). ... The surface temperature distribution for Algol A­B system before (upper plot) and after (lower plot) correction for temperature due to the irradiation e#ect. ... We solve this equation by the iterative Newton­Raphson method. ...

... This appartus will drop a mass from different heights. When the mass strikes the ground, some percentage of its original energy will be absorbed by the ground. ... The percentage of the energy which is absorbed by the surface on each "bounce" (EAS) . ... The impact velocity of the object will also be given at each bounce. ... Start= Drop the ball after Energy, Mass and EAS have been set; resume after step or pause has been selected . ... Reset = Reset experiment to intial values . ...

... Swift Launches . ... Spiral Galaxies in Collision . ... Billions of years from now, only one of these two galaxies will remain. ... Stereo Phobos . ... Get out your red/blue glasses and float next to Phobos, grooved moon of Mars! ... Phobos: Doomed Moon of Mars . ... Mars, the red planet named for the Roman god of war, has two tiny moons, Phobos and Deimos, whose names are derived from the Greek for Fear and Panic. ... The 1999 Leonids Meteor Shower came to an impressive crescendo. ... November . ...

... The overall globular cluster population is divided by gap in the metallicity function at [Fe/H]=-1.0 into two discrete groups with well-defined maxima at [Fe/H]=-1.60?0.03 dex, and -0.60?0.04 dex. ... Clusters with extremely blue horizontal branches occupy a spherical volume of radius ~ 9 kpc, have high rotational velocities ( V rot =77?33 km/s), have substantial and equal negative radial and vertical metallicity gradients, and are, on average, the oldest group (the old-halo subsystem). ...

... A file upload element on an HTML form. ... JavaScript 1.1: added type property . ... The HTML INPUT tag, with "file" as the value of the TYPE attribute. For a given form, the JavaScript runtime engine creates appropriate FileUpload objects and puts these objects in the elements array of the corresponding Form object. ... form . ... For all FileUpload objects, the value of the type property is "file" . ... Use the value property to obtain the file name that the user typed into a FileUpload object. ...

... Made with Swarovski Elements - известный бренд, специализирующийся на производстве одежды и аксессуаров, украшенных кристаллами Swarovski. ... В нашей акции представлена богатая коллекция кожаных женских сумок, инкрустированных кристаллами.Артикул: 00_92_BLUE_JEANЦвет: синийСостав: 100% натуральная кожаОсобенности: кожаная сумка с двумя ручками на молнии, украшенная кристаллами Swarovski. ... Тип: Сумка . ... Сумки . ... Тип гриля: Электрический . ... Полезный объем духового шкафа: 66 . ...

Image Quality and Stability Criteria ­ Transmissive Systems Alex Rea adr34@cam.ac.uk Cavendish Lab oratory, University of Cambridge FTT Technical Meeting Friday 21st May 2010 Alex Rea (Cavendish Labs, Cambridge) Transmissive Systems 21st May 2010 1 / 19 Table Expansion If everything is fixed to the table, and the table expands uniformly, then everything moves radially away from the centre of expansion. ... Like the OAP system, it's the stability that is forcing our hand. ...

... Masses are put in random positions within a sphere originally. ... RA (in radians) # Dec (in radians) ra = 2.0*math.pi* random () dec = math.acos(2.0* random ()- 1.0 )-0.5*math.pi return ra,dec def ranvec(): # Generates a randomly orientated unit vector. theta, phi = randomdirection() z = math.sin(phi) x = math.cos(phi)*math.sin(theta) y = math.cos(phi)*math.cos(theta) vec = numpy.array([x,y,z]) return vec # Stars interacting gravitationally # Program uses numpy arrays for high speed computations ...

Next: *.imh and *.qp Extensions Up: IRAF/PROS Files Previous: IRAF Image Arrays . The x-ray data are stored in QPOE files (Quick Position-Ordered Events, *.qp ) rather than image arrays. ... Note that, unlike IRAF images, QPOE files have no associated header file, and are always stored in the current directory, unless explicitly specified otherwise. Non-PROS IRAF tasks can also access QPOE data files in place of image arrays. ... rp110590.qp[pi=2:30] . ... The ROSAT PSPC qp file images are . ...

... 2001 September 27 . Elements of Nearby Spiral M33 . ... Explanation: Spiral galaxy M33 is a mid-sized member of our Local Group of Galaxies . ... M33 's proximity to M31 causes it to be thought by some to be a satellite galaxy of this more massive galaxy. M33 's proximity to our Milky Way Galaxy causes it to appear more than twice the angular size of the Full Moon , and be visible with a good pair of binoculars. ... About APOD | ...

The Earth. ... The middle raiding of the Earth is 6371,032 km, the pole 6356,777 km equatorial - 6378,160 km. The Earth surface area is 510,2 mln km^2, 70,8% of which is the World ocean. ... According to the modern cosmogonical views the Earth was formed 4,6 - 4,7 billions years ago from the protoplanet cloud captured by the Sun. ... The Earth is conditionally divided into 3 parts: a bark a cloak and a core (in the centre). The external layer - the bark is 35 km thick. ... Above the Earth. ...

... X-Ray Structural Analysis . ... The course introduces the basic principles of diffraction analysis of crystal atomic structure and the basic concepts of state-of-the-art atomic crystallography. ... X-ray crystal diffraction. тАЬGeometricalтАЭ theory of diffraction by three-dimensional scattering center grating. ... Systematic X-ray reflection extinction related to Bravais lattice type, screw axis, glide-reflection planes. €аFourier synthesis as a method of crystal atomic structure analysis. ...

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... The collecting area is increased by nesting concentric mirror pairs, all having the same focal length. ... Figure shows the largest optical element being ground at HDOS. ... X-ray testing demonstrated that the CXO mirrors are indeed the largest high-resolution X-ray optics ever made; the nominal effective area (based on the ground calibrations) is shown as a function of energy in the left panel of Figure , along with those of their Einstein and ROSAT predecessors. ...

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... History . Brief History of Rocket and Space Technology . ... Flights Chronology . ... Project History . ISS Russian Segment . ... Production . ... Designed for attachment of the belt to the composite material socket. ... Contribution of RSC Energia to the Russian Rocket-Space Technology . ... RSC Energia: Progress MS-02 docked with the ISS.' ... 2015 JSC "S.P. Korolev RSC "Energia" . ...

... Астрофотография (Модераторы: LifeIsGood , MaxMan ) > . C/2009 P1 и другие кометы . ... 08 Июнь 2011, 22:18:47 ? ... Perihelion distance 1.5505340 AU . ... Inclination of orbit 106.1777000 degrees . Argument of perihelion 90.7453000 degrees . ... Date of perihelion JD 2455919.16800 (23 Dec 2011 16:01:55) . Right ascension: 22h59m39.520s . Declination: -02 40' 04.34" . Mean position at current epoch: . Right ascension: 23h00m14.863s . ... Right ascension: 23h00m15.962s . ...

Research Activities . Integrated superconducting submm receivers and spectrometers. Technology for fabrication of superconducting integrated circuits based on high quality submicron Nb and NbN tunnel junctions with high current density. Development, study and optimization of the superconducting phase locked Local Oscillator for integrated spectrometer. ... Development of the superconducting elements for operation at frequencies up to 1 THz. ... Activities | ...

. Ce le sti al ca le nd ar . Satellites of Mars . (Orbital, physical and photometric data) . Name . Orbital Period . Semimajor Axis 1 . Mass . Radius . Magnitude 2 . d . ? 10 3 km . 1/Planet . km . m . I Phobos . 0.32 . 9.38 . 1.65 ? 10 -8 . 13.4 ? 11.2 ? 9.2 . 11.4 . II Deimos . 1.26 . 23.46 . 3.71 ? 10 -9 . 7.5 ? 6.1 ? 5.2 . 12.5 . 1 Half the length of the major axis of the ellipse; a standard element used to describe an elliptical orbit. 2 This is the mean opposition magnitude of the satellite.

... SSAU History . SSAU roadmap . ... Engineers of SSAU laboratory of additive technologies started to carry out experiments in the field of 3D-printing of metal parts, components and assemblies. The research of Samara scientists will allow producing highly complex and non-standard elements of spatial forms required for design and creation of advanced aviation and space technology. ... SSAU Laboratory of Additive Technologies is established in 2011. ... e-mail: ssau@ssau.ru . ...