... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...

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This page provides explanatory text for the dials shown on the Rice Current Solar Wind Conditions and Current Solar Wind Conditions (Dials Only) webpage. These dials use the last good received set of measurements from the Real Time Solar Wind package on the Advanced Composition Explorer (ACE) spacecraft. ... Measured) This quantity is the number of solar wind protons per unit volume as measured by the ACE Solar Wind Electron Proton Alpha Monitor (SWEPAM) . ... It is measured by ACE/SWEPAM. ...

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• The Sun's Corona
• A Brief History of Magnetospheric Physics Before the Spaceflight Era
• The Solar Wind

... The HH flow associated with young stellar object HL Tau has an exciting history and even until now the origin of some its features is not clear yet. ... Knotty structures of Herbig-Haro jets are common phenomena and knowing the origin of such structures is essential for understanding the processes of jet formation. ... In the flow detected compact knots with high (-150 km/s) and bow shape structures in front of those, with low radial velocities (-50 km/s). ...

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• New data on the cpmplex field structure of chemically peculiar stars

... David P. Stern Laboratory for Extraterrestrial Physics NASA . ... Alfv?n's Theory and Electric Fields . ... The debate between proponents of a static corona, Parker's solar wind theory, and an alternative "solar breeze" theory of Chamberlai n [1960, 1961; Dessler 1967] was only settled by observations from space. ... Rapidly spreading plasma clouds produced by solar flares, like those envisioned by Chapman and Ferraro, are sometimes superposed on the solar wind flow. ...

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• The Sun's Corona
• The magnetosphere models
• The Solar Wind

... part 1 | ... The Basic Stages in Earth's Pre-geological Development . ... After fragments of the Vortex sleeves separated, whirlwinds of second and third orders ("NC" - new micro-vortex) were generated- future planet cores and their satellites - all of them developing independently, governed by the common laws of development of cosmogenic vortexes. ... Our planet's core today is comprised of considerably deteriorated cosmogenic vortex; consequently, the Earth has a moderated magnetic field. ...

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• The new concept of formation and development of the Solar system
• The new circuit of global tectonics of the Earth, planets and satellites.

HUBBLE SPACE TELESCOPE DAILY REPORT #1278 PERIOD COVERED: 0000Z Daily Status Report as of 339/0000Z 1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED: 1.1 Completed WF/PC-2 5235 (Structures of Quasars and Related Objects (WC10): Cycle 4) The WF/PC-2 was used to make long exposure observations of quasar B21425+267. ... 1.10 Completed WF/PC-2 5416 (Young Globular Clusters in Merger Remnants: Cycle 4 Medium) The WF/PC-2 was used to make images of the galaxy NGC-3610 looking for young globular clusters. ...

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• STScI Preprint #1348
• System 1 to Costpoint
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Giant radio galaxies constitute a class of radio sources with linear sizes on the megaparsec scale (Saripalli 1988). ... The Westerbork Northern Sky Survey (WENSS) has discovered several cases of "inner-double" or "double-double" giant radio galaxies: the findings suggest that such structures predominantly occur among the larger of radio galaxies. ... Close to the core of B0114-476, a narrow jet-like feature is seen directed toward the southern inner lobe which also has the brighter hotspots. ...

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• ATNF Daily Astronomy Picture
• Connection with other properties
• Evolutionary Paths in Galaxy Morphology

... The TRACE images may be used without restrictions in publications of any kind. ... These two images, taken on 18 November 2000 at 15:54UT and 16:11UT, respectively, show such an event: the red circle in the image to the left shows a region where many loops are cooling, with bright loop tops (the intensity scales with the square root of the image to reduce the dynamic range). ... See also a collection of images related to the Sun, other cool stars, and solar-terrestrial effects . ... Images | ...

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• Galileo Returns New Insights into Callisto and Europa
• Space spaghetti in magnetic sauce
• Voyager Saturn Science Summary

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... The two top plots are artificially coloured images of the solar atmosphere taken in the ultraviolet region of the electromagnetic spectrum, by two instruments from the SoHO (Solar and Heliospheric Observatory) spacecraft: EIT (Extreme Ultraviolet Imaging Telescope) and SUMER (Solar Ultraviolet Measurements of Emitted Radiation). They show the solar spicules continuously appearing and then fading away. ...

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• Hot subdwarfs
• J.G. Doyle, Research Astronomer

Subject, Problems and Objects of Theoretical Astrophysics. ... Stellar Photospheres, Their Features. ... Physics of Continuous Radiation Absorption in Stellar Photospheres. ... Continuous Radiation Absorption in Stellar Photospheres of Various Spectral Classes. Solar Type Photospheres. ... Characterisics of Absorption Lines. ... Interstellar Absorption Lines, Their Features. ... Physical and Dynamic Features of Interstellar Medium, Which Follows from Observations of Interstellar Absorption Lines. ...

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• Internal Structure of Stars
• General Astrophysics
• Physics and Chemistry of Comets

... Laboratory for Spectroscopy of Molecular Structures . ... News . ... A new article entitled Description of optical properties of cholesteric photonic liquid crystals based on Maxwell equations and Kramers-Kronig relations has appeared in Physical Review E. Congratulations to Grigoriy Ksyonz on his first publication! . 25 th February 2013 . ... 22 nd November 2012 . ... 22 nd February 2012 . 4 th Workshop on Liquid Crystals for Photonics 2012 will take place in Hong Kong December 9-11, 2012. ...

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• LHPP ISSP RAS
• Grants LSR ISSP RAS
• Laboratory of Real Structure of Crystals ISSP RAS

... In a solar prominence, charged particles stream up from the Sun, spiraling around magnetic field structures poking out of the solar surface, and ultimately fall back along those structures into the Sun. ... As evolution would predict, animals' eyes sense the colors of light emitted most strongly by the Sun. ... The tiny Moon can completely cover the disk of the Sun, blocking most of the emitted visible light, and reveal the Sun's faint outer atmosphere called the corona...a mass of incandescent gas ...

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• ASP: Shadow Play: 1998's Total Solar Eclipse
• ASP: Star Science in the Autumn Sky
• ASP: Monster Comet Promises Big Show

This home page belongs to small group of scientists working at . Sternberg Astronomical Institute which is a part of Moscow State University . ... Электронная библиотека научно-технической и художественной литературы (доступна только из ГАИШ) . ... Local staff . Dr. Edward Kononovich (konon -at- sai.msu.ru), Associate Professor . ... Dr. Sergey Ayukov (asv -at- sai.msu.ru), Research Fellow, Webmaster of the group . ... Joint seminar of Solar Studies Structure Group and Solar Photometry Group . ...

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• crydee.sai.msu.(su,ru) archive: Help
• Conformance: requirements and recommendations
• Wavelets and Green's functions

July 19, 1998 . ... An example of the EUV large-scale chain revealed by the modified TRACE EUV images. The TRACE EUV (171 A) image of July 19, 1998 with a number of complicated chains and threads. In particular, an "8"-like structure appear to be present at the central area of the disc restricted by points 1-2-3-4. Some fragments of this structure consist of the two parallel threads. ... Back to the page of the TRACE chains . Back to the parent page . Last update: 9 August 1998 . ...

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• Chains and CMEs
• Ionospheric plasma-wave interaction
• APEX/Intro

... Earths Richat Structure . ... The Richat Structure in the Sahara Desert of Mauritania is easily visible from space because it is nearly 50 kilometers across. ... Asteroid Gaspra s Best Face . ... Asteroid 951 Gaspra is a huge rock tumbling in space. ... Journey to the Center of the Galaxy . ... Liftoff With the Space Shuttle . ... M31: The Andromeda Galaxy . ... The Space Shuttle Docked with Mir . ... Pictured above in 1995, the United States Space Shuttle Atlantis docked with the segmented Mir. ...

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... Gift Center . ... Why do aurorae appear strongest within rings centered on Earth's poles instead of filled-in circles? ... RELATED TOPICS: AURORAE . The visible aurorae result from electrons that move along magnetic field lines from space into the upper atmosphere. ... Just make sure you're registered with the website. Get instant access to subscriber content on Astronomy.com! ... If you are already registered on Astronomy.com, please log in below. ...

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• Why do sunspots appear in groups? | Astronomy.com
• Why do some stars appear to flash a variety of different colors when you look
• Can you explain Mercury's retrograde motion? Do other planets appear to do this

... The GALFA Continuum Transit Survey group ( GALFACTS ; PI: A. R. Taylor) has conducted several test observations and will begin an all-sky full-Stokes continuum survey later this year with the new P-ALFA spectrometer. ... Sample Perseus images of GALFA H I 21cm-line and full-Stokes continuum emission are shown below along with maps of molecular (CO) gas, thermal dust, and ionized gas optical emission for comparison. ... The GALFA H I emission appears to envelop the molecular cloud gas traced by CO. ...

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• I-GALFA Reveals Dynamic Events in Our Galaxy
• Galactic Spiral Structure in H I Emission and Self-Absorption
• HISA Poster for the 195th Meeting of the AAS, January, 2000

M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...

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• Astronomy HyperText Book: Stellar Evolution
• Basics of Wind Energy
• Astronomy HyperText Book: Fusion Sequences in Stars

http ://hea-www.harvard.edu/ AstroStat /slog/ 2008 / errordance / Weaving together Astronomy+Statistics+Computer Science+Engineering+Intrumentation, far beyond the growing borders Fri, 01 Jun 2012 18:47:52 +0000 hourly 1 http ://wordpress.org/?v=3.4 http ://hea-www.harvard.edu/ AstroStat /slog/ 2008 / errordance /comment-page-1/#comment-158 vlk Sun, 27 Jan 2008 02:46:25 +0000 http ://hea-www.harvard.edu/ AstroStat /slog/ ...

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• Select a circle around the central point source
• Eclipse Lightcurves for the Hydrostatic Model
• A Structure for Quasars

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... History . Brief History of Rocket and Space Technology . ... Project History . ISS Russian Segment . ... ISS 45/46 . ... Experiments and Researches from 2013 . ... Monitoring state of inherent external atmosphere and external surfaces of the orbital complex as well as diagnostics of serviceability of materials and coatings to be used ( 'Kontrol' ) . ... 2015 JSC "S.P. Korolev RSC "Energia" . ...

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• INTERNATIONAL SPACE STATION