... Courtesy of NASA/ESA Observation data (J2000 epoch) Constellation Right ascension Declination Redshift Distance Type Serpens Caput 15h 17m 14.4s[] +21° 35 08[] 12,740±50 km/s[][1] 600±30 Mly (183±8 Mpc)[1] SA0(r) [citation needed ] [a] Apparent dimensions (V) 0.28 в 0.28[] Apparent magnitude (V) 16.0[] Notable features Ring galaxy Other designations PGC 54559,[] PRC D-51[] See also: Galaxy, List of galaxies Hoag's Object is a non-typical galaxy of the type known as a ring galaxy. ...

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... Brief History of Rocket and Space Technology . ... Flights Chronology . ... ISS Russian Segment . ... Sea Launch . ... Launches Chronology . ... Land Launch . ... 29L were used to launch the Galaxy 19 SC. ... Making the Rocket Segment systems ready for the launch site activities; . ... SL29 with the Galaxy 19 SC was launched. ... Contribution of RSC Energia to the Russian Rocket-Space Technology ....

... 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.[ ...

... AstroGuide | ... Astro Images . ... Image by Jason Ware Galaxy Photo . This image has been enhanced from an 80Mbyte scan of the original medium format negative. Courtesy of Jason Ware Galaxy Photo . ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . are trademarks of John Huggins ...

... The Impact of HST on European Astronomy . ... These range from the study of nearby planets, the processes of star and planet formation, the stellar and interstellar components of galaxies, the discovery that most, if not all, galactic nuclei harbor a massive black hole that profoundly affects their evolution, to the realisation that the universe as a whole is undergoing acceleration as a result of a yet unknown form of dark energy . ... Formation, structure and evolution of galaxies . ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... Ciel Espace, nouvelle formule, c'est . des actualit†йs . ... les plus belles images de l'Univers d†йcrypt†йes pour vous . ... 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 Toute la violence dтАЩun amas de galaxies . ... Philippe Henarejos, le 14 mars 2016 . ... 02/02/2016 - Panorama lunaire dans la mer des Pluies . ...

Scale-heights of the Galactic disk subsytems with different ages and metallicities . V.Marsakov & Yu. ... It is based on the fact, that all stars cross the disk plane several times during their Galactic orbital period. ... We have used our representative sample of nearby disk F2-G2 stars Marsakov & Shevelev (1995) in which fundamental stellar parameters was determined on the basis of published date on uvby-photometry, proper motion and radial velocities. ... Marsakov V.A., Shevelev Yu.G. Bull. ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... The Sun has an activity cycle of around 11 years; at the peak of this cycle many solar storms occur, each one ejecting mass into the solar system greater than that of Earth's Mount Everest. ... It might seem strange, but astronomers think that most of the matter in our Galaxy does not emit light as our Sun does but instead comprises so-called "dark matter". ...

The Astronomical Journal welcomes new submissions at IOP Publishing . ... From: Andrew Wray < andrew.wray@iop.org > . ... On behalf of the IOP-AAS Project Team, I am delighted to announce that IOP Publishing is now processing all new submissions to the AJ. Submitting a new article . To submit a new article to the journal, go to http://authors.iop.org/aj , where you will find our beta version of the new AJ web submission site. ... Refereeing an article . ... IOP Publishing . ...

... 2014 ; - , - (« -2015») - (« -2015»); - ; - 2014 ; - « 2013-2014.» ... Effect of the Longitudinal Momentum of Electrons on Their Surfatron Acceleration by an Electromagnetic Wave in Space Plasma » A. N. Erokhin, N. N. Zol'nikova, and N. S. Erokhin. Effect of the Longitudinal Momentum of Electrons on Their Surfatron Acceleration by an Electromagnetic Wave in Space Plasma, Plasma Physics Reports, 2014, Vol. ... Physics of Plasmas 20, 122901 (2013) .. ... 2014 Physics of Plasmas, 21, 054501. ...

... V.V.Shevchenko, Sternberg State Astronomical Institute, Moscow University, Universitetsky 13, Moscow 119899, Russia, shev@sai.msu.ru . ... 1.Sternberg State Astronomical Institute, 119899, Moscow, Russia. shev@sai.msu.ru . ... V.V.Shevchenko, Sternberg State Astronomical Institute, Moscow University, Moscow 119992, Russia, shev@sai.msu.ru . ... 119992 Moscow, Russia; . ... 2Sternberg Astronomical Institute, Moscow University, Moscow, 119992, Russia, . ... Moscow, 119992, Russia shev@sai.msu.ru . ...