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1. The Sun's Corona
... Solar Wind . ... During a total eclipse of the Sun, when for a few minutes the Moon completely covers the Sun's face, a glow appears around the darkened Sun--the solar corona, the Sun's outermost atmosphere. ... Such high levels of ionization require the atoms to be buffeted around by extremely high temperatures, around 1,000,000 C (1,800,000 F). ... It is brightest near sunspots, whose arched field lines apparently hamper the outflow of solar wind which carries away energy and helps cool the corona...
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Ссылки http://www.cosmos.ru/mirrors/stern/Education/wcorona.html -- 11.2 Кб -- 18.04.2006
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2. A Daylight Eclipse of Venus
... A Daylight Eclipse of Venus . ... Just two days ago, two of the three celestial objects easily visible during the day appeared to collide. But actually, Earth's Moon passed well in front of the distant planet Venus . ... Moments after this image was taken, the Moon, visible as the crescent on the right of the above image , eclipsed Venus , appearing in gibbous phase on the lower left. ... Publications with keywords: Venus - Moon - eclipse . Publications with words: Venus - Moon - eclipse . ...
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Ссылки http://www.astronet.ru/db/xware/msg/1222464 -- 15.1 Кб -- 20.06.2007
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3. APOD: 2007 June 20 - A Daylight Eclipse of Venus
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2007 June 20 . A Daylight Eclipse of Venus . ... Just two days ago, two of the three celestial objects easily visible during the day appeared to collide. ... Moments after this image was taken, the Moon, visible as the crescent on the right of the above image , eclipsed Venus , appearing near half phase on the lower left. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap070620.html -- 4.9 Кб -- 02.10.2012
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4. Phil Plait's Bad Astronomy: Bitesize Astronomy
... 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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Ссылки http://www.badastronomy.com/bitesize/jetplane.html -- 21.9 Кб -- 09.04.2016
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5. The Sun's Corona
... Solar Wind . ... During a total eclipse of the Sun, when for a few minutes the Moon completely covers the Sun's face, a glow appears around the darkened Sun--the solar corona, the Sun's outermost atmosphere. ... Such high levels of ionization require the atoms to be buffeted around by extremely high temperatures, around 1,000,000 C (1,800,000 F). ... It is brightest near sunspots, whose arched field lines apparently hamper the outflow of solar wind which carries away energy and helps cool the corona...
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Ссылки http://www.iki.rssi.ru/mirrors/stern/Education/wcorona.html -- 11.2 Кб -- 21.12.2007
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6. Eclipse Lightcurves for the Hydrostatic Model
Next: Disk Expansion and Up: The Epsilon Aurigae Previous: Vertical Structure of . ... We model disks with and without central holes and use a variety of midplane opacities and temperatures. ... The eclipse lightcurve was computed on a grid of 505 time steps separated by approximately 1.3 days, for a range of values of the disk scale height, , the inclination, i , and central hole radius, . The opacity parameter, approximately equal to the ``vertical'' optical depth of the disk, is: . ...
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Ссылки http://hea-www.harvard.edu/~swolk/thesis/node90.html -- 18.5 Кб -- 01.10.2012
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7. Eclipse elements for Computer Ephemeris for 2014 (DE200/LE200).
Computer Ephemeris for 2014 from DE200/LE200. Elements of the Total Lunar eclipse - 08 Oct 2014. ...
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Ссылки http://space.univ.kiev.ua/ephem/14a/100814el.html -- 5.3 Кб -- 15.10.2013
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8. Solar Eclipse 2008 August 1st
... Fig. ... One of these is a pink-coloured solar prominence, a tongue of incandescent hydrogen gas spewing out of the obstructed solar disc, visible at the 2 o'clock position. ... Such an eclipse was predicted to be visible from deep within the Asian continent on the 1st August 2008. ... A pink-coloured prominence was visible right from the onset (Fig. 1), while several streamers appeared to emanate from the obstructed solar disk throughout the event (Fig. ... Last Revised: 2008 September 8th . ...
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Ссылки http://star.arm.ac.uk/press/2008/aac-eclipse.html -- 6.9 Кб -- 08.09.2008
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9. Modelling Spectro-photometric Characteristics of Eclipsing Binaries
... We present a computer program for modelling energy flux distribution and light curves of eclipsing binaries from far ultraviolet to infrared regions. The Roche model is assumed. Proximity effects of components (reflection of radiation and surface gravity darkening) are taken into account. ... Figure 1: The surface temperature distribution for Algol A-B system before (upper plot) and after (lower plot) correction for temperature due to the irradiation effect. ...
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Ссылки http://www.stecf.org/conferences/adass/adassVII/polubekg.html -- 15.8 Кб -- 12.06.2006
[ Сохраненная копия ] Ссылки http://www.adass.org/adass/proceedings/adass97/polubekg.html -- 15.8 Кб -- 15.05.1998
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[ Сохраненная копия ] Ссылки http://www.adass.org/adass/proceedings/adass97/polubekg.html -- 15.8 Кб -- 15.05.1998
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10. Educator's Guide to Eclipses
Educator's Guide to Eclipses . ... In a solar eclipse you observe the Sun (using only safe methods, of course). ... In a lunar eclipse you observe the Moon. ... Because of the geometry described below, you can only view a solar eclipse when the Sun is up, and the Moon is nowhere to be seen. ... Eclipses occur when the Sun, Earth and Moon line up. ... In a solar eclipse the Moon passes directly in front of the Sun. ... In a lunar eclipse the Moon moves into Earth's shadow. ...
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Ссылки http://www.iki.rssi.ru/solar/eng/edu/eclipses.htm -- 5.8 Кб -- 15.10.1997
[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/edu/eclipses.htm -- 6.6 Кб -- 15.03.1998
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[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/edu/eclipses.htm -- 6.6 Кб -- 15.03.1998
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11. (Untitled)
To construct frequency distribution (histogram) of minor planets according to value of some element/ parameter/ function user should first select Elements item in menu bar and then Histogram in drop-down menu. ... User has possibility to save histogram or to print it using standard means. To save the file select File item in menu bar and then Save As... in drop-down menu. ... To print histogram select File item in menu bar and then take advantage of options Print Preview , Print Setup , Print . ...
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Ссылки http://www.ipa.nw.ru/PAGE/FUNDAMENTAL/LSBSS/winample_guide/user4oqb.htm -- 4.2 Кб -- 10.04.2016
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12. What is HISA?
... self-absorption - the absorption of light shining on an object by a process similar to that which produced the light originally; if a cloud emits less light than it absorbs from other clouds behind it, this net loss of light, termed self-absorption , causes the foreground cloud to appear darker than the background field (the term is from spectroscopy, where small absorption dips sometimes occur in larger emission lines, making the latter look as if it is absorbing part of itself) . ... HISA Main ...
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Ссылки http://www.naic.edu/~gibson/hisa/hisa_expl.html -- 8.6 Кб -- 26.02.2005
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13. ASP: Shadow Play: 1998's Total Solar Eclipse
... On the morning of Thursday, 26 February, amid the Gal pagos Islands, the Sun will fade from view. Not the culmination of ancient prophecy, but none less mystical, Earth's small Moon will be executing a slow slide past the enormous Sun. ... And anyone living in southern North America, Central America, northern South America, or on islands and cruise ships in the Caribbean Sea will, weather permitting, have the opportunity to experience the wonder of a solar eclipse. ...
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Ссылки http://www.astrosociety.org/edu/publications/tnl/41/shadow.html -- 10.1 Кб -- 02.10.2012
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14. Overview of Character-Level Elements
... Character level elements are used to specify either the structural meaning or the physical appearence of marked text without causing a paragraph break. ... Highlighting elements are allowed within the content of other highlighting elements, but implementations are not required to render these nested highlighting elements distinctly from non-nested elements. ... An SGML identifier used as the target for hypertext links or for naming particular elements in associated style sheets. ... CLASS . ...
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Ссылки http://comet.sai.msu.ru/webdesign/html-3.0/text.html -- 3.6 Кб -- 19.12.1996
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15. CSPICE Routines: ORDC_C
... Abstract The function returns the ordinal position of any given item in a character set. ... Brief_I/O VARIABLE I/O DESCRIPTION -------- --- -------------------------------------------------- item I An item to locate within a set. set I A set to search for a given item. The function returns the ordinal position of item within the set. Detailed_Input item is a character string to be located within a set. ... Detailed_Output The function returns the ordinal position of item within set. ...
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Ссылки http://www.stsci.edu/~sontag/spicedocs/cspice/ordc_c.html -- 9.1 Кб -- 17.12.2005
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16. Bright planets meet at dusk | Astronomy.com
... Tonight's Sky . ... The Magazine . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Bright planets meet at dusk . ... Astronomy magazine subscribers can read the full article for free. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter....
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Ссылки http://www.astronomy.com/News-Observing/Sky%20this%20Month/2013/03/Bright%20planets%20meet%20at%20dusk.aspx -- 63.7 Кб -- 10.04.2016
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17. Conformance: requirements and recommendations
... SGML . The text/html content type . In this section, we begin the specification of HTML 4.0, starting with the contract between authors, documents, users, and user agents. ... These recommendations are not normative and conformance with this specification does not depend on their realization. ... An HTML document is an SGML document that meets the constraints of this specification. ... A user is a person who interacts with a user agent to view, hear, or otherwise use a rendered HTML document. ...
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Ссылки http://xray.sai.msu.ru/~ustiansk/web/conform.html -- 12.1 Кб -- 24.04.1998
[ Сохраненная копия ] Ссылки http://crydee.sai.msu.ru/~vab/html.doc/html40/conform.html -- 12.1 Кб -- 24.04.1998
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[ Сохраненная копия ] Ссылки http://crydee.sai.msu.ru/~vab/html.doc/html40/conform.html -- 12.1 Кб -- 24.04.1998
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18. Thermodynamics
The First Law (1): Energy is Conserved in a closed system: . ... We usually consider work and heat flow as the two kinds of energy . The Second Law (2): The Law of Entropy: . ... The amount of disorder increases . ... You can not go from a disordered system to an ordered system without inputting more energy (this is the most important attribute of the second law) . ... In no way can we recover work of that this disordered system without putting energy into the system. ... More on Thermodynamics . ...
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Ссылки http://zebu.uoregon.edu/1998/ph162/l3.html -- 6.4 Кб -- 07.04.1998
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19. http://jet.sao.ru/jet/~bars/BARS_SSSe.pdf
... Nebular stage Extraction of components Strengthening of [Fe X] Light curve (based on SAO and SAI data) radio Zeiss-1000, 2012 Phase light curve (2005-2012) and its amplitude evolution QPO V723 Cas Spectroscopy The coronal lines of [Fe VII], [Fe X], [Ca VI], emissions of O VI He II 4686 е appeared and strengthened in the SSS phase. ... P2 = 0d.08126 (orb) P1 = 0d.08521 (sh) -1000 Photometry Zeiss-1000, 2012 The outburst light curve Periodic components in the SSS phase. ... The outburst light curve. ...
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Ссылки http://jet.sao.ru/jet/~bars/BARS_SSSe.pdf -- 2063.4 Кб -- 14.03.2013
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20. Physicists on the Money
Physicists have been honored by having their picture on currency in many countries around the world. ... Marie and Pierre Curie (Marie: 1867-1934, Pierre: 1859-1906) appear on the French 500 franc note. ... The greatest physicist of this century, Einstein not only invented the theories of special relativity (behavior of rapidly moving object) and general relativity (theory of gravitation), but made fundamental contributions to the beginnings of quantum theory. ... For a bio, click here . ... 100 K) . ...
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Ссылки http://xray.sai.msu.ru/~mystery/images/money/physics/index.engl.html -- 6.8 Кб -- 16.12.1996
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