... The International Space Station Expands Again . ... The developing International Space Station (ISS) has changed its appearance again. Last month, the Space Shuttle orbiter Atlantis visited the ISS and added components that included the Columbus Science Laboratory. ... NGC 6334: The Cats Paw Nebula . ... Comet Hale Bopp Over Val Parola Pass . ... Comet Hale-Bopp, the Great Comet of 1997, became much brighter than any surrounding stars. ... Mauna Kea Shadow Play . ... ISS: Sunlight to Shadow . ...

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Today's APOD | ... Editor's choices for the most educational Astronomy Pictures of the Day about supernova remnants: . ... The spectacular death explosion is initiated by the collapse of what has become an impossibly dense stellar core. ... APOD: 2002 March 31 - The Mysterious Rings of Supernova 1987A . ... Speculation into the cause of the rings includes beamed jets emanating from a dense star left over from the supernova, and a superposition of two stellar winds ionized by the supernova explosion. ...

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• APOD: 2008 December 1 - Massive Stars Resolved in the Carina Nebula
• Astronomy Picture of the Day
• Sternberg Astronomical Institute

Photon Scattering: Basic Principle of Photon Scattering . Audio Narration is available . No Scattering: Photon Source and Detector . ... For optical photons, scattering goes as wavelength to the -4 power. In the case of blue photons compared to red photons, this means that blue photons are about 10 times more likely to get scattered than red photons. ... Watch the blue photons scatter away from the detector . ... Interstellar dust make stars appear redder than they really are . ...

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• Low Surface Brightness Galaxy Gallery
• The Galaxy Gallery Page 6: Comparative Morphology

AN X-RAY TOUR OF MASSIVE STAR-FORMING REGIONS WITH CHANDRA Not Your Grandmother's HII Regions Leisa Townsley Patrick Broos Eric Feigelson Gordon Garmire Konstantin Getman Junfeng Wang The Penn State Chandra/ACIS Star Formation Group Orion: Chandra Orion Ultradeep Project (COUP, PI Feigelson) 2005, ApJS 160 30 Doradus diffuse: Townsley et al. ... 14 O stars, several form a 1 ring. 15 в 15 2MASS image The 40-ksec Chandra/ACIS-I observation of M17 (17 в 17): 0.5­2 keV; 2­8 keV. ...

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• Dust in the bright supernova remnant N49 in the LMC
• HST this week: 296
• Herschel Detects a Massive Dust Reservoir in Supernova 1987A

... Following several successful moon landings,NASA decided to use its last Saturn V not to fly to the moon but to place in low Earth orbit a large space station, named Skylab. ... It was followed that year by three manned flights using the smaller Saturn IB, each carrying 3 astronauts for a prolonged stay aboard Skylab. ... Mass measurements aboard Skylab were part of the medical experiments conducted there. ... Measuring body mass in the M172 chair (see illustration) was not a simple matter. ...

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• REMOTE SENSING OF OCEAN SURFACE STATE

GALAXIES cenA .tiff 40 Bright Radio Galaxy M31.tiff Nikon Andromeda Galaxy (note HII regions in spiral arms) ngc6744.tiff 40 NGC 6744 a face-on spiral clouds_20d.tiff H'blad The Magellanic Clouds our nearest neighbours Lmc_7.tiff Nikon The Large Magellanic Clouds Lmc_zoom.tiff Nikon Detail of previous image smc_7.tiff Nikon The Small Magellanic Clouds smc-zoom.tiff Nikon Detail of previous image 30dor_40_BVR.tiff 40 The 30 Dor ... B [OIII] Halpha trifid.tiff 40" The Trifid Nebula. ...

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• The Music of the Spheres
• The High-Z SN Search Description
• GSAOI Orion Nebula Cluster Science Page

. Pulkovo Observatory of Russian Academy of Sciences is situated . near Saint-Petersburg. It was founded in 1839. 196140, Saint-Petersburg, Pulkovskoye chaussee 65/1 . English version . Russian version . This page has been accessed times since May 1, 1999.

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... Mass . ... Following several successful moon landings,NASA decided to use its last Saturn V not to fly to the moon but to place in low Earth orbit a large space station, named Skylab. ... It was followed that year by three manned flights using the smaller Saturn IB, each carrying 3 astronauts for a prolonged stay aboard Skylab. ... Mass measurements aboard Skylab were part of the medical experiments conducted there. ... Measuring body mass in the M172 chair (see illustration) was not a simple matter...

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• Mesures de masse ? bord de la Station spatiale Skylab
• La Masse

... ESO, the European Southern Observatory . ... Member States . ... United Kingdom . ... Survey Telescopes . ... ESO Supernova . ... This colour photo of the bright supernova in the Large Magellanic Cloud (LMC) was obtained with a 6 x 6 camera mounted piggy-back on a large telescope at the ESO La Silla Observatory, on February 25 at UT 01:00, two days after the supernova exploded. ... It is well visible, left of the centre and above the LMC main body as the lower right (round) of the two bright objects...

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• A claret-coloured cloud with a massive heart | ESO United States
• Carved by Massive Stars | ESO United States
• VFTS 102: the fastest rotating massive star (unannotated) | ESO United States

... Armagh Observatory, 24th March 2009: The International Space Station ( ISS ) has recently become the second brightest object in the night sky тАФ even brighter than the planet Venus, and second only to the Moon. Evenings will provide the chance of a spectacular view, if the sky is clear, as for the next few days the orbit of the ISS around the Earth repeatedly takes it over Ireland. ... At its best, it is now the second brightest object in the night sky. ...

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• International Space Station
• Research Interests
• M. de Groot, Senior Research Associate

... STScI-PRC99-42 THE TRIFID NEBULA: STELLAR SIBLING RIVALRY This NASA Hubble Space Telescope image of the Trifid Nebula reveals a stellar nursery being torn apart by radiation from a nearby, massive star. ... The Hubble image shows a small part of a dense cloud of dust and gas, a stellar nursery full of embryonic stars. ... A stellar jet [the thin, wispy object pointing to the upper left] protrudes from the head of a dense cloud and extends three-quarters of a light-year into the nebula. ...

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• http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/ISM/StarTear.txt
• http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/ISM/NGC7027.txt
• http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/ISM/Tarantula.txt

... Maryeva O.V., Abolmasov P.K. ?Modeling the optical spectrum of Romano's star?, ... Maryeva O.V., Abolmasov P.K. ?Modeling the optical spectrum of Romano's star in Minimum Brigtness?, vol.23 pp.79-83, Odessa Astronomical Publications, (2010) . ... Maryeva Olga ``Spectropolarimetry and modeling of WR156'', Proceedings of the International Astronomical Union, IAU Symposium ``New windows on massive stars: asteroseismology, interferometry, and spectropolarimetry'', 307, 387-388, (2015) . ...

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• Main Researches Activities
• Laboratory of Astrospectroscopy

... Star Atlas . ... solar system . ... stars . ... Observe the Solar System . ... What factors determine if a massive star (say, 100 solar masses) forms instead of a Sun-like star? ... Stars of all masses form from dense clumps within exceptionally cold molecular clouds. ... Massive stars tend to form at the centers of high-mass reservoirs of gas. Get instant access to subscriber content on Astronomy.com! ... A gamma-ray burst hints that LIGO's double black holes started as one massive star . ...

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• international space station | Astronomy.com
• A surprisingly bright superbubble | Astronomy.com
• space station | Astronomy.com

... Observational Zoo of Binaries with Compact Stars . Evolutionary Scenarios of Binary Systems . ... Special Cases: Supernova Explosion and the Common Envelope . ... Evolution of Magnetic Rotators . ... Mixing types of E-P-A binary systems with non-zero orbital . ... Ejectors in Massive Binary Systems . ... Other Candidates for Ejecting Stars in Binary Systems . ... Cosmic Rays and Evolution of Binary . ... Sky in Gravitational Waves . ... Gravitational Waves from Coalescing Compact Binary Stars . ...

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• Contents
• Massive X-ray Binaries
• Evolutionary Scenarios of Binary Systems

MAIN CHARACTERISTICS BASIC MODIFICATIONS TEST RESULTS . ... SOYUZ TMA . SOYUZ TMA SPACECRAFT . MAIN CHARACTERISTICS . Name of characteristic, dimensions . ... Spacecraft mass, kg . ... Descent module mass, kg . ... during spacecraft docking . ... Geometrical characteristics of the spacecraft, mm . ... 2.6 / 1.4 . ... 3.6 / 2.6 (via Soyuz ТМ) . ... Soyuz FG . Developed for the Soyuz TMA spacecraft, has passed flight testing during the Progress spacecraft launches in the years 2001-2002. ...

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• S.P. Korolev RSC Energia - International Space Station

... В четверг, 14 апреля 2016 г., состоится семинар кафедры астрофизики. Повестка дня . ... Начало в 11 час.15 мин. Ауд. ... В четверг, 31 марта 2016 г., состоится семинар кафедры астрофизики . ... В четверг, 24 марта 2016 г. , состоится семинар кафедры. ... В четверг, 17 марта 2016 г. , состоится заседание кафедры. ... ОСП НИИ ПММ Национального исследовательского Томского государственного университета) . ... Copyright 2016 Астрономия в Санкт-Петербургском университете . ...

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• Vladimir P. Reshetnikov's Home Page

... The Galactic low-mass X-ray binary GS 2023+338 was discovered during the burst on May 22, 1989 with the Japanise satellite Ginga (aka Galaxy). The flux reached 17 crabs (this unit of flux measurement is an bright X-ray source, Crab Nebula) at 10-35 keV. ... No other radio telescope worldwide carried out multi-frequency measurements. ... Upon 14 days the radio flux fell below the detection level at the RATAN-600 in relation to the decrease of the X-ray flux. ...

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• important_en
• Galaxy sector, archive 2004
• articles_flera_en

Venus under the clouds. ... Venus is the second from the Sun and the nearest to the Earth planet of solar system. ... As for Venus, it has the densest atmosphere, the smallest rotation around the axis and the least eccentricity of the orbit Venus is the only planet whose own rotation is opposite it’s rotation around the Sun. ... The radiolocation survey of Venus by the soviet station "Venera - 15" and "Venera - 16" brought out in 1984 in the planets satellite`s orbit shoued the tarces of long walls. ...

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• moon3photoe
• skylabe
• mars3photoe

... Liyong Liu (NAOC) . Site testing on seeing conditions of the astronomical observatories over China are briefly reviewed, including Xionglong station of NAOC, Gaomeigu station of Yunnan Observatory, Delingha station of Purple Mountain Observatory. ... PDF [3.0€аMB] October 8, 09:55 10:20 . ... In this paper, we will review the site survey activities in the past years, and present the site-testing results on the Oma site, including cloud cover, seeing, water vapor, transparency and sky brightness. ...

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. Please standby and you will be automatically connected to the new location of the unframed Supernova page. Or, click on the link above. If you have questions or problems, please email me at David Bishop dbishop@vhdl.org . Last modified: Mon Aug 27 12:40:15 EDT 2001

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• Supernova 1987A in LMC
• Bright Supernova - Archives
• Bright Supernova pages - Statistics for 2010