Astronomy Picture of the Day . ... Credit Copyright: Courtesy TRACE Team , NASA Explanation: As the Sun heads South, crossing the celestial equator today at 1:37 a.m. Eastern Time, Autumn begins for Earth's Northern Hemisphere. This Autumnal Equinox finds an increasingly active Sun steadily approaching a solar cycle maximum expected around the year 2003. ... September . ... Publications with keywords: Sun - equinox - solar cycle . Publications with words: Sun - equinox - solar cycle . ...

Еще в разделе: (Показать все результаты (>167419) - www.astronet.ru/ )

• Movie: The Active Sun
• Active Region 1002 on an Unusually Quiet Sun
• A Newly Active Volcano On Jupiters Io

... Sun images . ... Sun flares . ... Active areas . August : 2008 . ... No sunspots and sunspot groups can be currently observed on the Sun's surface . No H-alpha plages without spots can be currently observed on the Sun's surface . Last updated: September 1, 2008 00:00 UT . ... 1953-2016 Laboratory of X-ray astronomy of the Sun, LPI RAS, Russia . ... 7(499)132-65-96, Fax: +7(499)132-65-97 . ...

Еще в разделе: (Показать все результаты (>19492) - www.tesis.lebedev.ru/ )

• Sunspots and active regions August 31, 2009
• Sunspots and active regions August 31, 2014
• Sunspots and active regions August 31, 2012

... September 23, 1998 . Autumn and the Active Sun . ... This Autumnal Equinox finds an increasingly active Sun steadily approaching a solar cycle maximum expected around the year 2003. The solar activity cycle is driven by a periodic winding up of the Sun's internal magnetic field. ... Growing in number , the intricate structures visible are the Sun's hot active regions with temperatures over a million degrees Fahrenheit and their associated magnetic loops. ... About APOD > . ...

Еще в разделе: (Показать все результаты (>8284) - www.sai.msu.su/ )

• APOD: 2008 September 24 - Active Region 1002 on an Unusually Quiet Sun
• APOD: 2008 August 22 - Active Galaxy NGC 1275
• APOD: 2006 December 4 - Movie: The Active Sun

... 2 April 1999 . The Nobeyama Radioheliograph data show that in the microwave range, besides large-scale trans-equatorial chains (see, e.g., the May 11-15, 1993 and November 1-4, 1993 events), there are also many examples displaying large and strongly evolving "longitudinal" or "internal" chains connecting remote active regions inside an active zone in one (northern or southern) hemisphere (the August 20-September 3, 1998 event). ... Last update: 2 April 1999 . ...

Еще в разделе: (Показать все результаты (>1027) - www.izmiran.rssi.ru/ )

• Heliophysical Laboratory of IZMIRAN (Solar-Terrestrial Physics Division)
• Non-traditional methods of geophysical investigations and active plasma
• LARGE-SCALE PHENOMENA AT THE SUN ASSOCIATED

... SAO RAN RATAN-600 EXCURSIONS 40 YEARS of R/T REFERENCES . ... GPS radio sources . ... Thursday, April 30, 10-00 . ... Friday, December 19, 10-30 . ... N. Bursov, V. Chaykin, A. Storozhenko "Preliminary results of RATAN-600 antenna measurements with the help of the geostationary Satellite Turksat 2A/3A". ... The basic results. ... Information-analytical system of estimating the parameters of radio sources in continuum with the RATAN-600 (the message for a conference, IPA St. Petersburg). ......

Еще в разделе: (Показать все результаты (>1167) - www.sao.ru/ )

• Russian-Finnish Symposium, Program
• Russian-Finnish Symposium

... My research is mainly focused on magnetic fields and their influence over activity, winds and the environment around the Sun and other late-type stars. ... Alvarado-GцЕmez, J. D. ; Hussain, G. A. J.; Cohen, O.; Drake, J. J.; Garraffo, C.; Grunhut, J.; Gombosi, T.I. Keywords: Coronae - Magnetic Fields - Late-Type - Magnetohydrodynamics (MHD) . ... Alvarado-GцЕmez, J. D. ; Cohen, O.; Hussain, G. A. J.; Grunhut, J.; Garraffo, C.; Drake, J. Proceedings of the International Astronomical Union, Volume 305...

Еще в разделе: (Показать все результаты (>55574) - www.eso.org/ )

• ESO - Clustering Measurements of Active Galactic Nuclei
• Wide-field view of the sky around the distant active galaxy PKS 1830-211
• Visiting with an Old and Active Friend (ESO PR Photos 07a-b/01)

spaceweb@oulu.fi - last update: 4 September 1998, 1010 UT (RR) . The expansion phase starts the active part of the substorm process. ... Start of the phase is called the onset of the substorm. ... Recently McPherron and Hsu (ICS-4 meeting, 1998) advocated a concept of "main substorm onset" to deal with observations of multiple onsets. ... Aggson, T. L., J. P. Heppner, and N. C. Maynard, Observations of large magnetospheric electric fields during the onset phase of a substorm, J. Geophys. Res. ...

Еще в разделе: (Показать все результаты (>1096) - www.iki.rssi.ru/ )

• News (english)
• Space Weather Current Conditions
• Sun [Oulu]

... Pre-university education . ... Samara region . SSAU History . SSAU roadmap . ... Samara State Aerospace University (SSAU) will take an active part in the work of space activities of the United Nations organization (UNO). ... The road map shape on inclusion of Samara University into implementation of the UN Program on Space Applications was outlined at the roundtable discussion with the University teachers and specialists and at the meeting with SSAU Rector Yevgeniy Shakhmatov. ...

Еще в разделе: (Показать все результаты (>1701) - www.ssau.ru/ )

• Efimova Ekaterina Andreevna
• Timchenko Pavel Evgenevich
• Timchenko Elena Vladimirovna

... 9) Oknyanskij V.L. 1994, "Optical-radio time delays in Q0957+561", Odessa Astronomical Publ., ... 11) Oknyanskij V.L. 1994, "Connection between X-ray and optical variability in NGC4151", in Proceedings of Int. Conf. ... 1994. 12) Oknyanskij V.L. 1994, "Connection between X-ray and optical variability in NGC4151", Astrophys. and Space Science, 222, p.157. ... 14) Oknyanskij V.L., van Groningen E., 1997, "Optical spectral variability of NGC4151 in 1990", Astronomical and Astrophys. ...

Еще в разделе: (Показать все результаты (>24) - uranus.sai.msu.ru/ )

We present Spitzer 3.6-160 О?m images, Spitzer mid-infrared spectra, and JCMT SCUBA 850 О?m images of the Sombrero Galaxy (NGC 4594), an Sa galaxy with a 109 Msolar low-luminosity active galactic nucleus (AGN). The brightest infrared sources in the galaxy are the nucleus and the dust ring. ...

Еще в разделе: (Показать все результаты (>15438) - www.stsci.edu/ )

• Howard E. Bond's Home Page
• The Spitzer discovery of a galaxy with infrared emission solely due to AGN
• HST this week: 208

... Telescopes . ... The International Conference "Dark Ages and White Nights (Spectroscopy of the CMB)" (June 20-24, 2016) . ... The International Conference "Stars: from collapse to collapse" (October 3-7, 2016) . The traditional annual competition conference of scientific and scientific-engineering papers of the Observatory staff members . ... A session of the Dissertation Council (October 16, 2015) . ... International scientific conference "Large Optical Telescopes" (October, 10-13, 2011) . ...

Еще в разделе: (Показать все результаты (>328) - mavr.sao.ru/ )

• Solar system sector, archive 2008
• Solar system sector, archive 1993
• Detection of polarized radiation sources with unusual spectral characteristics

e-mail: podgorny@inasan.ru . Institute of Astronomy RAS . ... Spectrum of solar flare protons // Journ. ... The active region magnetic flux correlation with flare appearance. ... Podgorny A. I., Podgorny I. M. Solar Flare Numerical Magnetohydrodynamic Simulation and Solar Flare Model. ... Podgorny A. I., Podgorny I. M. MHD simulation of magnetic field configuration above the active region NOAA. ... Podgorny I. М., Podgorny A. I. The active region magnetic field association with solar flares. ...

Еще в разделе: (Показать все результаты (>41) - www.inasan.rssi.ru/ )

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . ... Parkes | ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... The Active Algol Binary KZ Pavonis . ... The Algol type eclipsing binary KZ Pav has been observed over one complete orbit (0.95 days) with the Australia Telescope Compact Array. ...

Еще в разделе: (Показать все результаты (>24169) - www.atnf.csiro.au/ )

• PPTA Dashboard | Projects
• Active Optics
• Orientation and Evolutionary Effects in Active Galactic Nuclei

... Towards a Truly Unified Model of AGN . ... The Unified Model holds that the aspect-dependent effects primarily determine the nature of the active galactic nucleus that we observe. ... The full postscript file can be obtained here: . The PASA Latex file can be obtained here: . The postscript file of Fig 1 can be obtained here: . ...

Еще в разделе: (Показать все результаты (>619) - www.mso.anu.edu.au/ )

• talks

Summer Earth and Space Science Workshops for Teachers! ... Join us in Baltimore, Mar yland from July 30­ August 3, 2011 for one or more of the following: Weekend 2-Day Workshop , July 30­31 · In the Footsteps of Galileo: A Hands-on Workshop on Astronomy for Teachers Weekday 3-hour Short Courses, August 1­3 · Active Astronomy : Classroom Activities for Learning about the Electromagnetic Spectrum · Chasing Shadows: Bring NASA's Search for Earth-like Planets Around Other Stars ...

Еще в разделе: (Показать все результаты (>1535) - www.astrosociety.org/ )

• ASP: Sicily and the Amalfi Coast
• ASP: Editorial
• ASP: Simple Effective Education and Dissemination (SEED) Grants For Astronomy

... 2000 September 25 . AR 9169: A Large Sunspot . ... Explanation: One of the largest sunspots in recent years is now crossing our Sun . Dominating active region AR 9169 , the sunspot is the large dark complex visible below (west) and right of center in the above photograph of our Sun taken last Thursday. ... AR 9169 holds the largest sunspot yet produced during this Solar Maximum , the time of greatest sunspot activity during the Sun's 11-year magnetic cycle . ... About APOD | ...

Еще в разделе: (Показать все результаты (>6806) - www.arcetri.astro.it/ )

• LabIR Main Page
• APOD: June 16, 1998 - An Active Region of the Sun
• Arcetri Star-Formation Group Publications

... The evolution of magnetic fields in OB-type stars from the study of open clusters of different ages . ... Wade G. A. The MiMeS Project: Magnetism in Massive Stars . ... Polosukhina N., Shavrina T., Drake N., Kudryavtsev D. Smirnova M. New results of the spectral observations of CPstars in the Li I 6708? spectral region with BTA telescope of SAO RAS . ... Magnetic Stars-2010 . ... List of participants . List of reports . ... Laboratory for the Stellar Magnetism Study of SAO of the RAS . ...

Еще в разделе: (Показать все результаты (>815) - jet.sao.ru/ )

• Publication Search
• azim_flares
• The conference " Multiwave investigations of the Sun and modern problems of

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... 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 La com†иte Chury toujours active . ... Cette photo prise le 1 er mars 2016, †а seulement 26,7 km de distance, met en †йvidence un beau jet de mati†иre qui s'†йchappe en bordure des r†йgions Imhotep et Bes, sur le lobe de l'h†йmisph†иre Sud de la com†иte. ... Etat du ciel ...

Еще в разделе: (Показать все результаты (>2606) - www.cieletespace.fr/ )

• D†йcouverte: du volcanisme r†йcent sur Mercure | Ciel et Espace

... August Solar Eclipse Report: Thursday 11 September 2008 . ... Dr Fosbury is head of the section in the European Space Agency (ESA) as part of ESA's collaboration with NASA on the Hubble Space Telescope (HST) project at ST-ECF . ... The lecture is entitled "Astronomy today and the role played by the Hubble Space Telescope". ... Tuesday, 16 September 2008 00:44 . International Year of Astronomy, Ireland National Node . ...

Еще в разделе: (Показать все результаты (>5193) - star.arm.ac.uk/ )

• Armagh Observatory
• Latest News
• Conference 98

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . ... Last Update August 20, 2005 . Listed Since August 20, 2005 . ... Web Site . ... Web . 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" . ...

Еще в разделе: (Показать все результаты (>792) - www.astronomy.net/ )