... Fit the ring around the equator and then change its inclination from 0 degrees (equatorial orbit used by geosynchronous satellites) to 28.5 degrees (space shuttle orbit) to 51.6 degrees (space station orbit) to 90 degrees (polar orbit used by spy satellites). by Rob Landis, Space Telescope Science Institute . ... With so many satellites now in orbit, it is likely that you have seen an artificial satellite zipping across the night sky. ... http://www.amsat.org/amsat/ftpsoft.html . ...

Еще в разделе: (Показать все результаты (>1118) - www.astrosociety.org/ )

• ASP: Shadow Play: 1998's Total Solar Eclipse
• ASP: December's Total Lunar Eclipse
• ASP: Eclipse Watching: Making a Solar Filter

... In 1988, when he was working at a telescope at the ESO La Silla observatory, he came across a strange star that suddenly vanished off the computer screen. ... ESO PR Photo 30a/99 . ... The unsual star in question is designated NN Serpentis , or just NN Ser . ... Already in 1988, it was concluded that the eclipse observed in NN Ser must be caused by a bright and hot star (a white dwarf ) being hidden by another body, most probably a red dwarf star . ... ESO Press Release 09/88 (8 December 1988). ...

Еще в разделе: (Показать все результаты (>8892) - www.arcetri.astro.it/ )

• FEBRUARY 26th 1998 SOLAR ECLIPSE FROM VENEZUELA
• APOD: 2001 January 18 - 2001: A Total Lunar Eclipse
• Educator's Guide to Eclipses

... The ESO Conference "Towards Other Earths: DARWIN/TPF and the Search for Extrasolar Terrestrial Planets" (Germany, Hidelberg, 2003), V.P.Grinin, L.V.Tambovtseva,"Dusty disk winds in the young binary systems with the low-mass secondary components" . ... Barsunova, V.P. Grinin, S.G. Sergeev, "Unusual eclipsing system KH 15D: new photometric data", oral . ... Barsunova, V.P. Grinin, S.G. Sergeev, L.V. Tambovtseva, "Photometric activity of the peculiar young stars", oral . ... V.P. Grinin, N.Ya. ...

Еще в разделе: (Показать все результаты (>272) - www.gao.spb.ru/ )

• Catalogue of double stars
• Articles

Bright Supernova - Archives On these pages you will find references to Supernovae which have faded into oblivion. ... Finally, in 1999, when I took over the International Supernova Network's Latest Supernovae page I retitled the main page "Latest Supernovae", BUT, it's the "Latest Supernovae" page of the "Bright Supernovae" pages which are also sub-pages of ISN. ... Brightest supernova in 2005 . ... Brightest supernova in 2002 . ... Brightest supernova in 2000 . ... Brightest supernova in 1999 . ...

Еще в разделе: (Показать все результаты (>949) - www.rochesterastronomy.org/ )

• Bright Supernova Bright Supernova
• Supernova 2007sr in NGC 4038
• ASRAS HOME

... Dept. for Astrometry & Space Geodynamics . ... Dept. for Physics of Stars&Galaxies . ... Dept. for Physics of Planetary Systems . ... Science . ... All Pages . ... Research of the stars with planets which pass apparent star disk (transiting exoplanets). The transit method based on a detection star brightness decrease during a passing of planet in front of its disk. Observed brightness system decries when planet pass star disk and its volume depend of the relative sizes star and planet. ...

Еще в разделе: (Показать все результаты (>482) - www.mao.kiev.ua/ )

• Celestial calendar - Eclipses of the Moon
• Achievements - Page 3
• Dept. for Physics of Planetary Systems

The black hole. ... The black holes are generated in the result of a collapse of giant stars with the mass more than three Sun's masses. ... And moreover the gas near the neutron star or the black hole will get hot and will become a source of high energetic electromagnetic radiation in X-rays and gamma range. ... In the majority of double systems, being the sources of X-rays radiation, the invisible component mass does not exceed the two solar masses, so it is a neutron star. ...

Еще в разделе: (Показать все результаты (>15) - www.space.vsi.ru/ )

• datevste
• bigdoge

... click image to view discuss) . ... Bert improved his composite image showing details of the corona. ... He also did a better job of color correction, avoiding a false light bluish hue that was present near the 6 o'clock position on the moon's limb in the earlier image. ... of this image is the seventh-magnitude star SAO 109216. Submitted by Bernie Volz on 05/08/2006 22:12:59 . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

Еще в разделе: (Показать все результаты (>66574) - www.atmob.org/ )

• Amateur Telescope Makers of Boston ATMoB Observing Awards Program
• ATMoB: Christmas Mystery

... Bad Astronomy . ... On Thursday, February 15th 2001 (and replayed on March 19), the Fox TV network aired a program called ``Conspiracy Theory: Did We Land on the Moon?'', hosted by X-Files actor Mitch Pileggi. ... Dust around the lander . ... However, it appeals to our common sense: when the sky is black here on Earth, we see stars. ... Bad: The program claims that when the top half of the lander took off from the Moon to bring the astronauts back into orbit, there was no flame from the rocket. ...

Еще в разделе: (Показать все результаты (>254) - www.badastronomy.com/ )

• Phil Plait's Bad Astronomy: Bitesize Astronomy
• Phil Plait's Bad Astronomy: Misconceptions
• Phil Plait's Bad Astronomy: Bad News

Natural Satellites Service. ... Mutual occultations and eclipses . of the major satellites of Uranus . ... We present the ephemerides and circumstances of the mutual occultations and eclipses of the major Uranian satellites in 2006-2010. ... In 2006-2010 about 190 mutual occultations and eclipses will occur. ... The ephemerides of the mutual occultations and eclipses of the major satellites of Uranus in 2006-2010 are presented in four tables according to four periods of visibility of Uranus. ...

Еще в разделе: (Показать все результаты (>274) - lnfm1.sai.msu.ru/ )

• jg0025
• jg0026
• jg0036

Have you ever heard the name of a star or constellation and wondered what it meant? ... I've compiled a table of commonly known star names and their definitions in the Western tradition, grouped by constellation. ... Following each constellation entry are any named stars found therein (in order from brightest to faintest), listing the Bayer (Greek letter) or other common designation, the star name, and English translation. ... Some other sites with star name information: . ...

Еще в разделе: (Показать все результаты (>2532) - www.naic.edu/ )

• Mythology of the Seven Sisters (Pleiads)
• The Pleiades
• M42 Color Images

Russian . ... text in Russian) . ... The Behaviour of the Bz Component of the Magnetic Field in Coronal Mass Ejections . ... Cooperation of IZMIRAN and Sternberg Astronomical Institute in the Study of the Sublimational Component of the Solar Coronal Radiation . ... Solar Wind and Magnetic Storms in the 24th Solar Activity Cycle . ... text in English) . ... The Solar Corona in the Light of TRACE Observations . ... Expeditions of Irkutsk Astronomers to Total Solar Eclipses in 1981--2012 . ...

Еще в разделе: (Показать все результаты (>153) - comet.sai.msu.ru/ )

• Interdisciplinatory Colloquium on cosmic factors of evolution of the biosphere

... Subject of Astronomy. ... Basis of Spherical and Practical Astronomy. ... Celestial Sphere. ... Changes of Star's Coordinates as a Result of Daily Rotation of Celestial Sphere. ... Time Measuring. ... Changes of Solar Equatorial Coordinates. ... Stellar Day, Stellar Time. ... Real Solar Time. ... Mean Solar Time. ... Connections between Stellar and Mean Time. ... Apparent Path and Configuration of Planets. ... Ways of Energy Transportation to Stellar Surface.Basis of Spectral Analysis. ... Solar...

Еще в разделе: (Показать все результаты (>122) - space.univ.kiev.ua/ )

• Introduction to Astronomy
• Lunar eclipce explanation page of Computer Ephemeris (DE200/LE200).
• Stellar Astronomy

We present the results of our observations of the white-light corona in polarized light performed at Criciuma eclipse, Brazil. During the observation of 3.11.94 we have made five couple of pictures of the solar corona in polarization light. ... Koutchmy S., Molodensky M., Starkova L., Ershov A., Matsuura O .: ... Molodensky M., Starkova L., Koutchmy S., Ershov A .: ... Koutchmy S., Molodensky M.M., Starkova L.I . ... Koutchmy S., Molodensky M.M., Starkova L.I. Koutvitsky V. and Ershov A . ...

Еще в разделе: (Показать все результаты (>586) - www.izmiran.rssi.ru/ )

• VEGA pr-7

... Home Gallery Astrophotography Urban Lunar Eclipses . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Several lunar eclipses have been visible from the New York area as these photographs from AAA members show. ... Penumbral lunar eclipse, New York City . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

Еще в разделе: (Показать все результаты (>618) - www.aaa.org/ )

• AAA president Marcelo Cabrera presents AAA Amateur Astronomers Medal to Al
• This Monthт??s Sky т?? March 2016 ? Amateur Astronomers Association of New York
• Best Celestial Events of 2006 ? Amateur Astronomers Association of New York

... Marking of frame. Press   on the toolbar; and click necessary stars to mark stars for the measurement. ... If you want to remove a marked star, press ; and click this star. The buttons / serve for decrease/increase of the aperture for last marked star. If it is necessary to measure a visual double (multiple) star; by others to words, if the images of stars interact, mark for measurements all components of the star; press the button  and click all components of the star. ...

Еще в разделе: (Показать все результаты (>8) - www.izmccd.puldb.ru/ )

A.F.Kholtygin, J.C. Brown, J.P.Cassinelli, S.N.Fabrika, D.N.Monin, A.E.Surkov, . Structure and variability of hot star winds", . ... We propose the three-phase model for hot star winds and calculate the X-Ray line emission of hot component of wind in a comparison with a XMM-Newton X-Ray spectra of O4f star zeta Puppis. The results of high-resolution spectroscopy for some bright O-stars are also presented. The line profile variability of bright O-stars 19 Cep and lambda Ori A is detected. ...

Еще в разделе: (Показать все результаты (>244) - www.astro.spbu.ru/ )

• Kholtygin et al., Magn. Field Conf., August 2003 (2004)
• Kholtygin et al., AZh (2006)
• Geometrical optics approximation (GO)

Guest Editorial , July 2006 . Past ? Present ? Future . ... SETI, the quest for reasonable signals from Space, is aimed at the Past. ... From here on Earth, we can say with good reason that conducting both searches (SETI) and transmission (METI) of reasonable signals, we appear poised just halfway between the Past and the Future: namely, in the Present! ... This editorial was submitted in response to Their Past, Our Future , by SETI League executive director emeritus H. Paul Shuch. ...

Еще в разделе: (Показать все результаты (>512) - www.cplire.ru/ )

• EIT images

Text of these problems is available also in other languages : . ... What can one see in the Moon's sky more often - the Sun or the Earth? ... There are about of 250 millions of stars in the elliptical galaxy M32 (a satellite of Andromeda galaxy). ... The masses of Capella's components. ... You are proposed to estimate the masses of Capella's components, using our observational data. ... A galaxy's mass. ... Estimate the mass of FGC 1908 and compare it to the mass of our galaxy. ...

Еще в разделе: (Показать все результаты (>907) - www.issp.ac.ru/ )

• IV International Astronomy Olympiad, Problems to solve
• The International Olympiad of Euro-Asian Astronomical Society
• V International Astronomy Olympiad, Problems to solve (in English)

... StarCalc Home Page - Downloads . ... File . StarCalc (English version) . ... With minimal configuration, version 5.72 of StarCalc includes the next interfaces: "Horizon", "Horizontal coordinategrid", "Equatorial coordinate grid", "Constellation boundaries", "Constellation lines", "Constellation names", "Star proper names", "Bright Star Catalog", "Deep-sky objects", "Sun", "Moon" and "Planets and satellites" . Plugins for StarCalc . ... Interface to NGC 2000 (plugin + catalog file) . ...

Еще в разделе: (Показать все результаты (>6) - www.m31.spb.ru/ )

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . ... Listed Since October 22, 1998 . ... 203) 484-7705 . ... 203) 484-9016 . 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 (>1126) - www.astronomy.net/ )

• S.T.A.N.O. Components Inc., AstroGuide Listing
• Finding Himalia, The Fifth Brightest Moon Of Jupiter - an Astronomy Net Article
• Total Lunar Eclipse, November 8-9 - an Astronomy Net Observation_reports Forum