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1. Herschel Detects a Massive Dust Reservoir in Supernova 1987A
We report far-infrared and submillimeter observations of supernova 1987A, the star whose explosion was observed on 23 February 1987 in the Large Magellanic Cloud, a galaxy located 160,000 light years away. ... The intensity and spectral energy distribution of the emission suggest a dust mass of about 0.4 to 0.7 times the mass of the Sun. ... Our observations imply that supernovae can produce the large dust masses detected in young galaxies at very high redshifts. ... ADS Citation Query . ...
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Ссылки http://www.stsci.edu/~kgordon/papers/2011Sci...333.1258M.html -- 4.1 Кб -- 21.01.2016
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2. APOD: 2016 February 5 - Massive Stars in NGC 6357
... 2016 February 5 . Massive Stars in NGC 6357 . ... Explanation: Massive stars lie within NGC 6357 , an expansive emission nebula complex some 6,500 light-years away toward the tail of the constellation Scorpius . In fact, positioned near center in this ground-based close-up of NGC 6357, star cluster Pismis 24 includes some of the most massive stars known in the galaxy, stars with nearly 100 times the mass of the Sun. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...
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Ссылки http://www.sai.msu.su/apod/ap160205.html -- 5.3 Кб -- 10.04.2016
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3. XWare > APOD
... A Solar Prominence from SOHO . ... A solar prominence is a cloud of solar gas held above the Sun's surface by the Sun's magnetic field. ... What would it be like to walk across Mars? ... Aurora from Space . ... But the International Space Station (ISS) orbits at nearly the same height as many auroras, sometimes passing over them, and sometimes right through them. ... A Soyuz Spacecraft Approaches the Space Station . ... Last month, a Soyuz TMA-7 spacecraft docked with the International Space Station...
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Ссылки http://www.astronet.ru/db/xware/apod.html?page=12&d=2006-02 -- 15.4 Кб -- 12.04.2016
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4. Stars Beyond Maturity
What happens to a star heavier than five solar masses? ... Stars about ten solar masses probably behave like our five solar mass star until they reach the end of core-helium burning. ... The Crab nebula was formed after a massive explosion ripped a star apart in 1054. ... Today, the glowing outer layers of the star are still rushing away from a tiny star in the centre. ... An incredible explosion rips through the outer layers of the star, releasing colossal amounts of energy in a supernova explosion. ...
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Ссылки http://star.arm.ac.uk/~csj/pus/astnow/astnow2.html -- 8.0 Кб -- 11.02.1999
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5. Blackholes Discussion Forum - Hosted by The Astronomy Net
Blackholes Discussion Forum . Forums: . ... black hole pump? - sleepvark - September 3, 2014 - 21:13 UTC . ... WHAT IS Fe1 neagative?This is dark matter..... - theoracle - January 27, 2009 - 19:11 UTC . ... hbar=e^2/e0c - garrydenke - June 7, 2005 - 14:05 UTC . ... black hole theory - astronomy124 - February 24, 2005 - 04:47 UTC . ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...
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Ссылки http://www.astronomy.net/forums/blackholes/ -- 26.0 Кб -- 09.04.2016
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6. U of O High Energy Physics Seminars
February 4, 2008 (Monday) Gabriella Sciolla, Massachusetts Institute of Technology . ... This detector, which will be operated underground in 2008-2009, will allow us to set limits on spin-dependent Dark Matter interactions using a directional detector. 4:00 pm, 472 Willamette Hall . ... return to top . ... This seminar will briefly review the role of axions in particle and astrophysics, and will describe the progress we have made in the experimental search. 4:00 pm, 472 Willamette Hall . ...
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Ссылки http://zebu.uoregon.edu/~uochep/seminars/seminars-wint08.html -- 8.5 Кб -- 03.02.2009
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7. ATNF Daily Astronomy Picture
... HIZOA J0836-43: a massive galaxy . ... The galaxy HIZOA J0836-43 was discovered by Donley et al. (2006) in the Parkes HI Survey of the Zone of Avoidance (HIZOA) and is also detected in the HI Parkes All Sky Survey (HIPASS) . ... The extended neutral hydrogen disk of HIZOA J0836-43, mapped with the Australia Telescope Compact Array, is at least 130 kpc in diameter (top panels) and rotates with over 300 km/s (bottom panels). ... today * ATNF | Parkes | ...
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Ссылки http://www.atnf.csiro.au/ATNF-DailyImage/archive/2015/09-Feb-2015.html -- 3.9 Кб -- 10.04.2016
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8. http://www.naic.edu/~astro/hiconference/hiconf_pdfs/aohi08_schneider.pdf
The HI Mass Function: Open Questions Stephen Schneider University of Massachusetts The Evolution of Galaxies through the Neutral Hydrogen Window 1 February 2008 HI Mass Functions = 1.5 = 1.2 Is the bright end variable? Is There One HI Mass Function? ... Also face flux-bias problems when hunting close to noise: promote more weak sources than lose stronger sources Arecibo Slice AGES HI Mass Function to Date The slope is relatively flat for the first 142 galaxies detected. ...
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Ссылки http://www.naic.edu/~astro/hiconference/hiconf_pdfs/aohi08_schneider.pdf -- 1009.6 Кб -- 07.02.2008
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9. Comparing Masses Without Use of Gravity
... Mass . 17a. Measuring Mass . ... A medium-size (1.25 inch wide) binder clip, as is used in offices to hold papers together--the type made of flat blue steel, with two wire handles. ... The theory predicts that the oscillation period should be proportional to the square root of the oscillating mass, including the mass of the clip. Note that gravity plays no part here: the oscillation period would be the same on the Moon or in zero-g. Denoting square root by SQRT, we have . ...
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Ссылки http://www.iki.rssi.ru/mirrors/stern/stargaze/Smasscom.htm -- 8.9 Кб -- 21.12.2007
[ Сохраненная копия ] Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Smasscom.htm -- 8.9 Кб -- 22.12.2007
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[ Сохраненная копия ] Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Smasscom.htm -- 8.9 Кб -- 22.12.2007
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10. ASP: Black Holes
... If the mass of the collapsing star is more than three solar masses, however, no force can prevent it from collapsing completely to become a black hole. What is a black hole? Mini black holes . ... For Further Reading About Black Holes A black hole is a region of space in which the pull of gravity is so strong that nothing can escape. ... A black hole with a mass less than three solar masses would not form on its own; its gravity is too weak to cause it to completely collapse in on itself. ...
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Ссылки http://www.astrosociety.org/edu/publications/tnl/24/24.html -- 11.5 Кб -- 02.10.2012
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11. http://www.mso.anu.edu.au/pfrancis/phys1101/Lectures/L02/lecture02.pdf
Energy Tuesday, 22 February 2011 2 Tuesday, 22 February 2011 Energy Equations · Energy E is a scalar. ... 4 Tuesday, 22 February 2011 Energy · The basic principle is very familiar things don't do stuff without energy. ... Tuesday, 22 February 2011 Less kinetic energy and more gravitational potential energy Back to Kinetic energy, mostly in the ball but a bit in air currents Kinetic energy Heat energy in the ball and my hand. ... 14 Tuesday, 22 February 2011 On energy grounds alone.. ...
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Ссылки http://www.mso.anu.edu.au/pfrancis/phys1101/Lectures/L02/lecture02.pdf -- 751.6 Кб -- 22.02.2011
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12. http://mavr.sao.ru/hq/katya/CosmosPh/en/Abstract_Sonbas_1.txt
Hydrogen in early spectra of the Type Ic supernova XRF060218/SN2006aj V.V.Sokolov, E.Sonbas, A.S.Moskvitin, T.A.Fatkhullin, T.N.Sokolova, V.N.Chernenkov In early spectra of the X-ray burst XRF/GRB 060218 (obtained with BTA in February 2006, Fatkhullin et al., ... The same envelope was observed during the XRF/GRB burst itself as a powerful black-body (shock break-out) in its spectrum (Campana et al., 2006, Nature, 442, 1008). ...
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Ссылки http://mavr.sao.ru/hq/katya/CosmosPh/en/Abstract_Sonbas_1.txt -- 1.7 Кб -- 16.05.2007
[ Сохраненная копия ] Ссылки http://www.sao.ru/hq/katya/CosmosPh/en/Abstract_Sonbas_1.txt -- 1.7 Кб -- 24.02.2010
[ Сохраненная копия ] Ссылки http://jet.sao.ru/hq/katya/CosmosPh/en/Abstract_Sonbas_1.txt -- 1.7 Кб -- 24.02.2010
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[ Сохраненная копия ] Ссылки http://www.sao.ru/hq/katya/CosmosPh/en/Abstract_Sonbas_1.txt -- 1.7 Кб -- 24.02.2010
[ Сохраненная копия ] Ссылки http://jet.sao.ru/hq/katya/CosmosPh/en/Abstract_Sonbas_1.txt -- 1.7 Кб -- 24.02.2010
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13. Massive computer simulation detects cause of high-speed electronics in space |
... Tonight's Sky . ... Sky this Month . ... space flight . ... space physics . ... The Sky This Week: April 1 - 10 . ... Sky this Week . ... Massive computer simulation detects cause of high-speed electronics in space . ... A mysterious phenomenon detected by space probes has finally been explained thanks to a massive computer simulation that was able to precisely align with details of the spacecraft observations. ... Only registered members of Astronomy.com are allowed to comment on this article. ...
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Ссылки http://www.astronomy.com/news/2012/02/massive-computer-simulation-detects-cause-of-high-speed-electronics-in-space -- 70.8 Кб -- 10.04.2016
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14. Ejectors in Massive Binary Systems
Next: The Evolutionary Status of Up: No Title Previous: Massive X-ray Binaries . After 25 years of pulsar studies, a radiopulsar has been discovered in a binary system with a massive optical companion (Johnston et al. ... As shown in the very first calculations of joint evolution of NS and normal stars in binaries (Kornilov and Lipunov, 1983b[ 86 ]) a considerable fraction (maybe, the majority) of NS in binary systems having an optical companion must be at the ejector љ (E) state. ... Systems . ...
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Ссылки http://xray.sai.msu.ru/~mystery/articles/review/node51.html -- 8.9 Кб -- 22.02.1997
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15. APOD: 2000 February 13 - Southwest Mercury
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2000 February 13 . Southwest Mercury . Credit: Mariner 10 , NASA . Explanation: The planet Mercury resembles a moon. ... In fact, the Earth is the only planet more dense. ... From Earth , Mercury's proximity to the Sun cause it to be visible only for a short time just after sunset or just before sunrise. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap000213.html -- 4.7 Кб -- 01.10.2012
[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/sistemasolare/Mercurio/ap000213.html -- 4.6 Кб -- 04.12.2000
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16. The AstroStat Slog massive data
... Posts tagged ?massive data? ... Tags: bimodality , chi-square minimization , Classification , CMD , Estimation , machine learning , massive data , model based , PCA , spectral analysis , spectroscopic , survey , VO . ... Algorithms arXiv Astro Bad AstroStat Bayesian CHASC Cross-Cultural Data Processing Fitting Frequentist Galaxies gamma-ray High-Energy Imaging Jargon Job Languages MC MCMC Meta Methods Misc News Nuggets Objects Optical Physics Quotes Spectral Stars Stat Timing Uncertainty X-ray . ...
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Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/tag/massive-data/index.html -- 30.0 Кб -- 01.03.2014
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17. ESO - Thesis Topic: The interplay of massive stars, gas and dust in very nearby
... Science Activities > PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: The interplay of massive stars, gas and dust in very nearby starbursts . ... The complex interplay between regions of massive star formation and their surroundings is a determining component of galaxy evolution. Winds of massive stars and the resulting supernova explosions inject mechanical energy into the interstellar medium, redistributing gas within a galaxy. ... Return to list of thesis topics . ...
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Ссылки http://www.eso.org/sci/activities/thesis-topics/abstr-walsh02.html -- 28.2 Кб -- 10.04.2016
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18. New Luminous Variable Star in M33
... A new bright LBV (Luminous Blue Variable) star was detected in M33 galaxy. LBV stars are the most massive stars in the final stages of evolution before exploding in of supernovae. ... The new LBV star (Fig.1) is the seventh in M33. ... It is one of the brightest LBV stars of the M33 galaxy. ... The brightest object is the core of the galaxy, - a compact star cluster comprising a supermassive black hole. The new LBV star N93351 is located down and to the left from the core. ...
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Ссылки http://www.sao.ru/Doc-en/SciNews/LBV-2/ -- 4.4 Кб -- 01.10.2012
[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/SciNews/LBV-2/ -- 4.4 Кб -- 02.10.2012
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19. . The . MASS . Group .
... Measurement of the MASS detectors parameters with mass program January 24, 2015 [112707] . MASS/DIMM electronics. ... Turbina-core(D): Dimm User Guide. ... N.Shatsky, V.Kornilov, The revision of the MASS/DIMM star catalogue. ... О.Возякова, В.Корнилов, Н.Шатский, Новое программное обеспечение прибора MASS/DIMM. ... V.Kornilov, N.Shatsky, S.Potanin, O.Voziakova, B.Safonov Preliminary results of astroclimate parameters measurements at the Sternberg 2.5m telescope installation site. ...
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Ссылки http://curl.sai.msu.ru/mass/docs.shtml -- 10.3 Кб -- 27.06.2015
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20. http://www.aaa.org/s932/images/09fallclass2.pdf
Class 1 Introduction, Background History of Modern Astronomy The Night Sky, Eclipses and the Seasons Kepler's Laws Newtonian Gravity General Relativity Matter and Light Telescopes Class 2 Solar System Characteristics Formation Exosolar Planets Class 3 Stars The Sun Stellar Evolution of Low and High Mass Stars Deaths of Stars Exotic Stars Class 4 Galaxies Galaxy Classification Formation of Galaxies Galactic Evolution ... So far, one planet has been studied by this method. ...
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Ссылки http://www.aaa.org/s932/images/09fallclass2.pdf -- 1505.3 Кб -- 07.09.2011
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