... no comet has been observed with an orbit that indicates that it came from interstellar space, . ... From this he proposed that comets reside in a vast cloud at the outer reaches of the solar system. ... Unfortunately, since the individual comets are so small and at such large distances, we have no direct evidence about the Oort Cloud. ... T he Kuiper Belt is a disk-shaped region past the orbit of Neptune roughly 30 to 100 AU from the Sun containing many small icy bodies. ... Small Bodies .. ...

Andromeda Nebula. In the XVIII century the great English astronomer William Gershel included this galaxy into the observed stars congestions. ... What is this nebula interested for? It is a great spiral galaxy 1,5 times more than our galaxy - The Milky Way. The Milky Way and Andromeda Nebula are the greatest objects of the local group of galaxies. ... Andromeda Nebula is not the nearest galaxy to ours but its structure looks like the structure of our Galaxy. ...

... Contacting and discussing with people sharing your interests, participating in night sky observations with telescopes as well as a large choice of astronomical books, magazines and video-tapes out of our club library. ... A reasonable compromise for observing both planets and brightest deep sky objects ( nebulae, galaxies) are either a 4 to 8 inch mirror telescope ( Newton, Schmidt-Cassegrain ) or a 3 to 4 inch refracting ( lens) telescope. ... Where can I buy a telescope in Luxembourg ? ...

... 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 . Steps of ISS Assembly . Spaceflights Chronology . Chronology of Extravehicular Activity . ISS 45/46 . ... An additional objective is to detect micro-particles in the vicinity of the space station. ... 2015 JSC "S.P. Korolev RSC "Energia" . ...

... Sternberg Astronomical Institute , Moscow University . ... Present edition unites two parts of Catalogue of interacting galaxies by B.A.Vorontsov-Velyaminov: the first part (Part 1) containing 355 systems was published in 1959 [1] and the second one (Part 2) with 497 objects - in 1976 [2].Thus two published parts of Catalogue include 852 interacting systems. ... All new of them (1162 by number) were taken from the comments to the galaxies in Morphological catalogue by Vorontsov-Velyaminov et al.[ ...

... Classes . ... Nebula Class Reference . ... getInfoString (const StelCore *core, const InfoStringGroup &flags) const . ... getCloseViewFov (const StelCore *core=NULL) const . ... getVMagnitude (const StelCore *core, bool withExtinction=false) const . ... getSelectPriority (const StelCore *core) const . ... getEquinoxEquatorialPos (const StelCore *core) const . ... getJ2000GalacticPos (const StelCore *core) const . ... getPositionInfoString (const StelCore *core, const InfoStringGroup &flags) const . ...

... supernova images . Supernova Search and . ... How to report a supernova discovery . ... General Supernova information When you are looking for information on the latest Supernovae, the first place to look (Besides the Bright Supernovae page ) is the Recent IAU Circulars page, Recent CBET Circulars and IAU 's List of Recent Supernovae and List of All Supernovae , as well as the Headlines page web page. ... Arcturus Observatory SN images . ... Joseph Brimacombe's supernova images New 2009/12/17 . ...

... The study of the Large-scale structure of the Universe and measurements of the Dark Energy equation of state; The exploration of the growth and cosmological evolution of supermassive Black holes in the Universe. ... In course of the all sky survey SRG will discover about 100 000 galaxy clusters and 3 million AGNs. Galaxy clusters are the largest gravitationally bounded objects in the Universe and are best explored through the study of X-ray emission from the hot intergalactic gas. ... 2016 IKI RAN ...

... Asteroid . ... In case you didn't hear about it, which you probably didn't: On Jan. 7, an asteroid 1,000 feet across -- nearly three times the current diameter of Marlon Brando -- barely missed the Earth, which is most likely your planet of residence. ... What if this asteroid had hit the Earth? ... As it happens, the American Astronomical Society was holding a conference in Washington AT THE VERY SAME TIME as the asteroid nearly hit the Earth. ...

. Back to A.Zasov's homepage.

... The project assumes creation of an international space observatory - the interferometer "Earth - Space - Space" in order to perform of astronomical investigations in millimeter, submillimeter and infrared regions with extremely high sensitivity (to a few nanoJanskies units of flux density in continuum spectrum) and extremely high angular resolution (to a parts of microsecond of arc or, possibly, nanosecond). ... radio-interferometric channels of the system "Space - Space", region 0.2 - 3 mm; . ...

Subject of Astronomy. ... Celestial Sphere. ... Spherical Frames of Reference: Horisontal and Equatorial Coordinates, Ecliptical System. ... Transformation of Celestial Coordinates. ... Change of Object Coordinates as a Result of Diurnal Rotation of Celestial Sphere. Phenomenons, Which Lead to Celestial Coordinates Change. ... Motion of Equator, Ecliptic, and Their Poles. ... Diurnal Solar Motion on Different Latitudes. ... Time Equation. ... Apparent Motions and Configuration of Planets. ...

... Observatory has four telescopes: . ... Zeiss-300 (D=300mm F=4500mm), visual . AVR-1 (D=200mm F=3000mm), visual . ... AZT-7 (D=200mm F=900mm), photometer . ... Zhujko Sergey V. Burlak Alexander N. Volod'ko Dmitry G. Pakhomov Yuriy V. Objects of research: . ... Variable stars . ... Moon . Covers stars by Moon . Field of research: . ... Questions and comments please mail to pakhomov@sai.msu.su . Yury V. Pakhomov . pakhomov@sai.msu.su . ...

. XMM-Newton Science Analysis System . dsnullify (daltools-1.9) [xmmsas_20070708_1801-7.1.0] . Meta Index / Home Page Set all data elements in an object to null . Sets all the elements in each of the given objects to null. The null value must be defined, otherwise an error will occur. The null value of an object can be set with dssetnullvalue. XMM-Newton SOC/SSC -- 2007-07-09

Teaching courses . for student of the Department of Astrophysics and Stellar Astronomy . ... Geophysics and physics of the planets (Kurt, Panteleev) . ... Close Binary Stars . ... Solar Physics . ... This is introductory course for students of the third year of education which are familiar with elementary astronomy and general physics. ... The one-year course includes theory of radiation transfer, theory of internal stellar structure with account of binary systems with compact comapnions. ...

... Exposure Time Calculator (ETC) . ... ESO - Public Surveys . ... the recommended values to use for DIT, . ... Detector on-chip integration (DIT): seconds. to your chosen value - a separate page gives recommended values to use for DIT - for modes 1 and 2 below you may wish to start with the maximum recommended values as these will minimize the effect of read noise (a total object exposure of Y secs with DIT=X secs will produce Y/X lots of read noise) and give you a lower limit on the time needed. ...

... The vertical and slanted dashed lines in the first panel mark the separation distinguishing are as occupied by thick-disk objects according to Hanson et al. (1998) and Martin, Morrison (1998) , respectively. An abrupt change in the dispersion near V res 290 km/s (the vertical dashed lines) is apparent in all panels except the first. discussion in the text | next figure | privious figure . ...

... title='Arzberg Form 1382 weiss Тарелка подстановочная 31 см - Arzberg - Arzberg' border='0' align='left' width='120' style='margin-right: 20px;' hspace='7' vspace='5'/> . Цвет: CORAL KISS . ... Модель: BEATTY . Сезон: SS14 . ...

... Using the CFBDSIR wide field survey for brown dwarfs, we identified CFBDSIRJ214947.2-040308.9, a late T dwarf with atypically red J-Ks colour. ... SN 2009ip in NGC 7259 Electronic Telegram No. ... 7.09, [19.0; 2009 Aug. ... Accepted for publication in MNRAS Subjects: High Energy Astrophysical Phenomena (astro-ph.HE) The jet opening angle theta_jet and the bulk Lorentz factor Gamma_0 are crucial parameters for the computation of the energetics of Gamma Ray Bursts (GRBs). ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des actualit†йs . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil Le catalogue du projet Galaxy Zoo rendu public . ... Les donn†йes du Galaxy Zoo1, un projet participatif qui invite les internautes †а classer des galaxies selon leur forme, sont d†йsormais accessibles au public. 900 000 galaxies auscult†йes . ...