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21. Ultra-compact dwarf galaxies
... Ultra-compact dwarf galaxies (UCDs): . ... UCDs are characterised by old stellar populations, are larger, brighter and more massive than the biggest Milky Way globular clusters (GCs), but at the same time significantly more compact than typical dwarf galaxies of comparable luminosity. ... UCDs are remnant nuclei of tidally stripped dwarf galaxies ( Bassino et al. ... UCDs are genuine compact dwarf galaxies formed in the smallest peaks of primordial dark matter fluctuations ( Drinkwater et al. ...
[ Сохраненная копия ]  Ссылки http://www.eso.org/~smieske/ucds.htm -- 10.0 Кб -- 22.12.2011
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22. 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. ...
[ Сохраненная копия ]  Ссылки http://www.astrosociety.org/edu/publications/tnl/24/24.html -- 11.5 Кб -- 02.10.2012
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23. Density Determination
In order to measure the density of the Universe, it is necessary to sample a region that is larger than the scale on which the Universe becomes approximately homogeneous. ... When applied to clusters of galaxies we find a mass to luminosity ratio that implies a density of the Universe that is about 0.3 times the critical density. ... Thus the mass-to-muinosity ratio appears to vary with the size of the region measured, from 3 in the solar neighborhood to 30 in galaxies to 300 in clusters of galaxies. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/cats/~satr/cosmo/density.html -- 10.1 Кб -- 16.10.2000
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24. TESIS has recorded new sizeable mass ejections from the Sun's atmosphere
... One of this year's largest mass ejections from the Sun's atmosphere was recorded last Sunday by TESIS telescopes aboard the CORONAS-PHOTON satellite ( video - wmv 4.3 MB ). ... Over the course of a week, two gigantic solar prominences were simultaneously ejected from the surface of the Sun. ... Earth will not feel the Sun's influence either. ... The TESIS observatory ї TESIS: www.tesis.lebedev.ru . ... One of this year's largest mass ejections from the Sun's atmosphere (movie WMV, 4.3 MB) . ...
[ Сохраненная копия ]  Ссылки http://www.tesis.lebedev.ru/en/info/mass_ejection_20090614_en.php -- 10.4 Кб -- 01.10.2012
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25. Exoplanet HAT-P-1b: weird, warm and fuzzy | Astronotes
... Planets . ... Stars . Exoplanets . ... Most exoplanets so far discovered fall into the category of тАШhot JupitersтАЩ, these are giant planets orbiting very close to their parent star. ... Note that we have discovered so many hot Jupiters because they are the easiest type of planet to find, they are not necessarily particularly common in the galaxy. ... Subsequently several similar hot and€а fuzzy worlds have been discovered the same way, proving this that this planet is not a one-off oddball. ...
[ Сохраненная копия ]  Ссылки http://www.armaghplanet.com/blog/exoplanet-hat-p-1b-weird-warm-and-fuzzy.html -- 43.8 Кб -- 09.04.2016
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26. http://hea.iki.rssi.ru/Z-90/arc/21/Dolgov.pdf
GERSHTEIN-ZELDOVICH BOUND AND COSMOLOGICAL RESTRICTIONS ON NEUTRINO MASS A.D. Dolgov 20-24 December, 2004 COSMOLOGY AND ASTROPHYSICS AT HIGH ENERGIES (dedicated to 90th anniversary of Ya. ... Astronomy is sensitive now to m (a few)в0.1 eV. based on combined data on LSS and CMBR. ... Right-handed neutrinos - result in stronger bound. ... 10 Massive neutrinos and CMBR Angular spectrum of CMBR does not feel directly presence of light neutrinos - they are practically relativistic at recombination. ...
[ Текст ]  Ссылки http://hea.iki.rssi.ru/Z-90/arc/21/Dolgov.pdf -- 77.5 Кб -- 27.12.2004
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27. Theoretical Astrophysics Department
. Cosmology . Very Early Universe . Cosmic Microwave Background Anisotropy . Dark Matter Models . Large Scale Structure . High Energy Astrophysics . Active Galactic Nuclei . Astrophysics of Compact Objects . Accretion Disks . Scientific Staff:
[ Сохраненная копия ]  Ссылки http://www.asc.rssi.ru/mdiv/tad/tad.htm -- 1.8 Кб -- 04.12.1997
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28. Tatjana Khruzina
... For the past years I have been working on the problem of synthesis of light curves of close binary systems, consisting of a normal star and a compact object (point object with fixed X-ray luminosity). ... Possible existence of a bright spot on the disk's lateral surface is taken into account. ... The last of then will be published in Gordon and Breach Publishers ( Cherepashchuk A.M., Katysheva N.A., Khruzina T.S., Shugarov S.Yu. ... Cherepashchuk A.M., Katysheva N.A., Khruzina T.S., Shugarov S.Yu. ...
[ Сохраненная копия ]  Ссылки http://uranus.sai.msu.ru/~kts/ -- 4.4 Кб -- 22.09.2000
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29. Phil Plait's Bad Astronomy: Misconceptions
... Bad Astronomy . Misconceptions . ... Bad Astronomy : If the Sun collapses into a black hole, the Earth and all the other planets will get sucked in. Good astronomy : If the Sun were to collapse into a black hole, we would feel no difference in the gravity as measured at the Earth. ... The same applies if the Sun were to collapse into a black hole. ... Therefore, the gravity of the Sun felt at the Earth would remain the same. ... So it is with the black hole Sun. ... 2008 Phil Plait. ...
[ Сохраненная копия ]  Ссылки http://www.badastronomy.com/bad/misc/black_hole_sun.html -- 20.8 Кб -- 09.04.2016
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30. Amateur Telescope Makers of Boston
... This image also shows the famous Cygnus X-1 system. ... These images were processed by incorporating Ha, SII, and RGB data, taken over several nights during May of 2007. ... 5/4/2007 through 5/9/2007 . ... The RGB was processed traditionally, and incorporated into the Ha/sG/SII image in two steps: The main RGB nebulosity was incorporated at a fairly low opacity, while the RGB stars were incorporated in at 100%, in "color" blend mode. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...
[ Сохраненная копия ]  Ссылки http://www.atmob.org/gallery/showimage.php?id=636 -- 5.7 Кб -- 09.04.2016
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31. Astronomers discover most massive neutron star yet known | Astronomy.com
... Star Atlas . ... Astronomy for Kids . ... Astronomers discover most massive neutron star yet known . ... Astronomers using the National Science Foundation's Green Bank Telescope (GBT) have discovered the most massive neutron star yet found, a discovery with strong and wide-ranging impacts across several fields of physics and astrophysics. ... It is amazing to me that one simple number т?? the mass of this neutron star т?? can tell us so much about so many different aspects of physics and astronomy."...
[ Сохраненная копия ]  Ссылки http://www.astronomy.com/news/2010/10/astronomers-discover-most-massive-neutron-star-yet-known -- 76.4 Кб -- 10.04.2016
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32. http://mavr.sao.ru/hq/grb/team/vvs/05_Masses_of_macroscopic.pdf
... Utmost Inhomogeneous Quark Configurations in GR This section addresses the calculat ions o f purely quark configurat ions described by the limiting equation of state PQ = 1/3 ( - AB), where is the total energy densit y ins ide a huge quark bag, 4B/c2 = QG P (1) is a macroscopic densit y on the surface (PQ = 0) o f the bag consist ing of the quark-gluon plasma (QGP). ... Thus the densit y at the surface of the macroscopic quark bag is so mewhere within t he limits 2.3 nucl QGP(PQ = 0) 1.7 nuol. ...
[ Текст ]  Ссылки http://mavr.sao.ru/hq/grb/team/vvs/05_Masses_of_macroscopic.pdf -- 740.9 Кб -- 17.12.2010
[ Текст ]  Ссылки http://www.sao.ru/hq/grb/team/vvs/05_Masses_of_macroscopic.pdf -- 740.9 Кб -- 17.12.2010
[ Текст ]  Ссылки http://jet.sao.ru/hq/grb/team/vvs/05_Masses_of_macroscopic.pdf -- 740.9 Кб -- 17.12.2010
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33. The Laboratory of Meteoritics, Vernadsky Institute, RAS
... The RAS Meteorite Collection: State on the 1 st of June, 1999 . ... About the laboratory . ... Chondrite . ... Find 1934. Several masses totaling 25 kg . ... One mass of about 320 kg . ... One mass of 510 kg . ... One mass of 2347 g . ... One mass of 331 g . ... Many masses, 12 kg collected . ... One mass of 75.75 kg . ... One mass of about 26 kg . ... Find 1962. 2 masses 22.7 kg and 9.0 kg . ... One mass of 1250 g . ... Find 1858-1964. 13 masses totaling about 505 kg . ... One mass of 150 kg . ...
[ Сохраненная копия ]  Ссылки http://www.meteorites.ru/menu/collection-e/collect-e_t.html -- 28.8 Кб -- 04.10.2005
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34. http://ip.rsu.ru/~vorobyov/project3.htm
UPPER PANEL: The gas surface density map in log scale. The red circle in the center represents the central protostar. The development of spiral structure in the protostellar disk is evident. Dense protostellar/protoplanetary clumsp form within the spiral arms and are driven into the protostar by the action of gravitational torques. LOWER PANEL: The mass accretion rate onto the protostar as a function of time. The mass accretion rate is characterized by very short ( . ...
[ Сохраненная копия ]  Ссылки http://ip.rsu.ru/~vorobyov/project3.htm -- 4.2 Кб -- 27.09.2007
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35. http://www.ipa.nw.ru/conference/2002/sovet/PS/KOCHET.PS
... 8, ``Celestial Mechanics'', 2002 Estimation of masses of some minor planets from observations of perturbed bodies O. M. Kochetova Institute of Applied Astronomy, St. Petersburg, Russia The most straightforward method of mass determination of minor planets is the dynamical one which uses the gravitational perturbations produced by minor planet in the motion of other bodies. ... The values of the masses of minor planets (15), (29) and (65) appear to be rather close in both papers. ...
[ Текст ]  Ссылки http://www.ipa.nw.ru/conference/2002/sovet/PS/KOCHET.PS -- 28.4 Кб -- 19.08.2002
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36. Achievements - Page 4
... Dept. for Physics of Stars&Galaxies . ... Using a database view Sloan Digital Sky Survey (SDSS), containing almost a million spectra created 15,000 sample galaxies with active star formation, which is used for various studies and physical state of evolution of galaxies. ... Star clusters of the Galaxy . The project MWSC (Milky Way Star Clusters) directory using 2MASS, which includes nearly 500 million vision to the limit Ks = 15.3, analyzed more than 4,000 cluster-like objects in the galaxy. ...
[ Сохраненная копия ]  Ссылки http://www.mao.kiev.ua/index.php/en/observatory/departments/d-stars-galaxies?showall=&start=3 -- 21.2 Кб -- 11.04.2016
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37. http://www.astro.spbu.ru/staff/resh/Lectures/lec8.pdf
Galaxies at high redshifts Expected proper ties of high-z galaxies Why search for high-z galaxies? ... Identification of very distant galaxies Search techniques Identification of very distant galaxies Search techniques · Search for objects with prominent emission lines with narrow-band filters. ... Ly emitters (LAEs) Lyman-break galaxies (LBGs) Identification of very distant galaxies Search techniques Identification of very distant galaxies Search techniques Where to look for distant galaxies? ...
[ Текст ]  Ссылки http://www.astro.spbu.ru/staff/resh/Lectures/lec8.pdf -- 1592.0 Кб -- 26.01.2009
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38. http://solarwind.cosmos.ru/txt/2011/presentations/Magnetosphere/KHODACHENKO.pdf
... Space Res., 12, 265, 1992 planetary magnetic dipole: Mizutani, H., et al., ... Astrobiology, 7, 167, 2007 CME induced H+ ion pick-up loss at 0.05 AU for ` Hot Jupiters ' HD209458 b Mass loss ~1011 g/s even for weak CMEs Mmax strong magn. protection in reality Exoplanet magnetospheres - importance of magnetodisk Relatively large amount of observed Hot Jupiters (27%): survival of close-in giants indicates their efficient protection against of extreme plasma and radiation conditions ...
[ Текст ]  Ссылки http://solarwind.cosmos.ru/txt/2011/presentations/Magnetosphere/KHODACHENKO.pdf -- 823.9 Кб -- 15.04.2011
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39. http://lnfm1.sai.msu.ru/~rastor/Ralf_Bender/imprs_chapter_11_2007_dwarf_galaxies.pdf
Page 1 I*M*P*R*S on ASTROPHYSICS at LMU Munich Astrophysics Introductory Course Lecture given by: Ralf Bender and Roberto Saglia in collaboration with: Chris Botzler, Andre Crusius-WДtzel, Niv Drory, Georg Feulner ... , Ulrich Hopp, Claudia Maraston, Michael Matthias, Jan Snigula, Daniel Thomas Powerpoint version with the help of Hanna Kotarba Fall 2007 IMPRS Astrophysics Introductory Course Fall 2007 ... IMPRS Astrophysics Introductory Course Fall 2007 Page 17 11.2. ...
[ Текст ]  Ссылки http://lnfm1.sai.msu.ru/~rastor/Ralf_Bender/imprs_chapter_11_2007_dwarf_galaxies.pdf -- 2776.1 Кб -- 03.03.2008
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40. http://comet.sai.msu.ru/~dmbiz/abst/88-a
EVOLUTION OF GALACTIC DISCS: TWO MODES OF STAR FORMATION ABSTRACT We develop the model of the evolution of surface gas density, stellar density, star formation rates and chemical composition of galactic disc taking into account the gravitational instability of rotating gaseous layer in the scales of several kpc. ... In the model we took into account the gas return from evolved stars, a radial movement of the gas in a spiral arms and accretion of the gas into the galactic disc. ...
[ Сохраненная копия ]  Ссылки http://comet.sai.msu.ru/~dmbiz/abst/88-a -- 2.3 Кб -- 14.01.1997
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