... Tonight's Sky . ... The Magazine . ... Star Atlas . ... An artificial comet holds secrets to Earths life . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... The planet has extreme temperature swings and perhaps active lava flows. ... A digital supplement to Astronomy magazine. ... Join TravelQuest International with Astronomy and Discover magazines on one of three great tour options surrounding this celestial spectacle . ... Astronomy Magazine . ...

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• Planets, orbits, and comets are somewhat round. Is there an underlying
• Heading back to Jupiter's moons | Astronomy.com
• If a brown dwarf orbited the Sun at the same distance as Jupiter, would life

Astronomy Picture of the Day . Three Month Composite of Comet Holmes . ... 5.02.2008 . ... Since brightening unexpectedly by nearly one million fold in late October, the last three months have found the coma of Comet 17P/Holmes both expanding and fading. This spectacular composite image shows how the coma and tail of Comet Holmes have changed. ... The extent of the coma currently makes Comet Holmes over five times the physical size of our Sun. ... Publications with keywords: comet . ...

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• Journal "Peremennye Zvezdy"
• XWare > APOD

... Artist?s conception of the collision of Comet Shoemaker-Levy 9 with Jupiter, as seen from the Galileo spacecraft. At the time of the first impact, the comet fragments will be much farther apart than shown in this illustration. ... One orbit, computer May 18, 1993 by Syuichi Nakano, showed that the comet passed close to Jupiter in July 1992, and would pass within 45,000 kilometers of the center of Jupiter in July, 1994. ... The fragments of Shoemaker-Levy 9 move around Jupiter. ...

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• ASP: An Ancient Universe - Changes in the Universe
• ASP: This Restless Globe
• ASP: Monster Comet Promises Big Show

Comets necessarily obey the same physical laws as every other object. ... If one considers only two bodies -- either the Sun and a planet, or the Sun and a comet -- the smaller body appears to follow an elliptical path or orbit about the Sun, which is at one focus of the ellipse. ... Another quantity that is conserved is called angular momentum. ... Comets simply are bodies which in general have more angular momentum per unit mass than do planets and therefore move in more elongated orbits. ...

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• The Face on Mars
• What is a Comet?
• Comet Shoemaker-Levy 9

... Bad Astronomy . ... I think I will break from my usual format of Bad Astronomy/ Good Astronomy by saying that the way we define seasons currently is not strictly bad, but I feel (in my opinion!) that it could be better. The definition of when the seasons begin is at the moment of solstice or equinox; that is, winter (in the north) starts on December 22 nd and summer starts on June 22 nd . ... Now imagine breaking up the Sun's 46 degree up-and-down yearly swing into 1 day intervals. ...

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• Phil Plait's Bad Astronomy: Misconceptions: James McCanney's Nonsense

This is a copy of a Press Release from E.S.O. The most recent ESO observations of bright Comet Hyakutake have shown rapid changes in the innermost coma, within a few hundred kilometres from the cometary nucleus. This result has only become possible because of the unusual combination of a bright comet being near the Earth, together with the excellent imaging quality of the ESO 3.5-metre New Technology Telescope (NTT). ... Go to the ESO Homepage for Comet Hyakutake . ESO/La Silla | ...

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• Comet Halley

The Face on Mars . ... The Raw Images . Table 1: List of Viking Orbiter Images of the "Face on Mars" . ... Processing the Face Images . Table 2: Dimensions of Mercator Projected Images of "The Face on Mars" . Map Projected Images . ... Processing the "Face on Mars" Images . ... This page will provide interested persons with both the raw Viking images, transformed to GIF format, and a brief tutorial (with examples) of image processing techniques applied to create "better looking" images. ...

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• Comet Shoemaker-Levy 9
• The Wind Spacecraft
• Callisto

... 2008 February 5 . Three Month Composite of Comet Holmes . ... Explanation: How has Comet Holmes changed? Since brightening unexpectedly by nearly one million fold in late October, the last three months have found the coma of Comet 17P/Holmes both expanding and fading. This spectacular composite image shows how the coma and tail of Comet Holmes have changed. ... The extent of the coma currently makes Comet Holmes over five times the physical size of our Sun. ... About APOD | ...

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• APOD: 2005 July 6 - The Landscape on Comet Tempel 1
• Callisto
• Comets

Giant Jupiter. Jupiter . ... Jupiter has no solid surface that is why speaking about its dimensious point the radius of the upper border line of the clouds, where the presseru is about 10 KPa; radius of Jupiter on the equator is 71400 km. ... The Jupiter satellites. ... Nowadays 16 satellites of the Jupiter are known: Adrastea, Mitis, Amaltea , Phina,then 4 Galilei satellites: Io , Europe , Hanimed , Callisto , Leda, Aimalia, Zicitea, Elara, Ananke, Carme, Pasipe and Sinope. ... Jupiter's ring. ...

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Astronotes Armagh Planetarium's Stellar Blog! ... Solar System . ... Posted on March 28, 2014 | No Comments Asteroids, chunks of rock and metal orbiting the Sun, were once considered ?vermin of the skies? by astronomers. ... Continue Reading.. ... Posted on February 27, 2014 | ... Posted on January 21, 2014 | ... Posted on December 17, 2013 | ... 3 Comments With only two planets in our solar system without moons (Mercury and Venus) our curiosity is a little spoilt for choice. ...

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• Martina Glass | Astronotes - Part 2
• extraterrestrial life | Astronotes
• Astronotes | Armagh Planetarium's astronomy news from across the Universe -

... You are here: start €Ё lbaops €Ё lbamar2012 €Ё vt13fgmlog . ... VLBI Schedule . ... Other VLBI . ... lbaops:lbamar2012:vt13fgmlog . ... Sources to be done today are from this list (all are from main GMRT source list) : . ... Move to VLBI source # 1 : J2253+1608 (named 2253+161 in the GMRT source list) . ... VLBI scan #1 : on source 2253+161 for 10 mins start at : 2012 03 01 09 32 09 ; stopped at : 09 42 12 original files : raw_voltageY.vlbi_1mar12_1.nodeZ.scan0 snippet files : vlbi_1mar12_1.CXX-R . ...

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• In-Orbit Checkout/GOT Schedule
• start - Recent Changes [ATNF VLBI Wiki]
• sidebar - Recent Changes [ATNF VLBI Wiki]

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... Antenna system . ... The Irkutsk incoherent scatter radar is one of the world's nine active radars which give the opportunity to investigate ionosphere by the incoherent scatter method. ... Antenna gain coefficient . ... Antenna . ... Two antennas . ... To get an idea what station "Dnepr" antenna system looks like, let us consider some of the radar views which are given by the photographs General view and Side view . ...

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... Punta salinas blanks their radar in the AO direction. ... Prior and after this test, the blanking region was set to 90 degrees ( +/- 45 degrees in the AO direction). In nov13 I noticed that the blanking had been changed to 22 degrees. ... The plots below show total power vs time for the mode A frequencies of punta salinas (1232.8,1242.2,1248.9, 1257.0). ... 14may12 (.ps) ( .pdf ) . ... punta salinas blanking sector changed from 78 deg to 22 degrees sometime between 14may12 and 22jun12 . ...

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• spectral jumps vs A/D and pshift levels
• changing rolling surface
• pulsedPwrIntoAlfa

... Date: 21 September 2010 01:47:55 GMT+01:00 . Subject: IAA Lecture, Jupiter closest, Equinox, RIA & Southwood & Cork lectures, WSP . ... The opening IAA Lecture of the new season will be on Wed 22 September, in the Bell Lecture Theatre, QUB, It will beѓЉgiven by Prof Alan Fitzsimmons of the Astrophysics Department at QUB.ѓ ... Free parking is available on the main campus, right beside the lecture theatre, from 5.30 pm onwards. ... See www.irishastro.org for full details of the programme. ...

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• Armagh Observatory
• Armagh Astropark: Comets
• Sungrazing comets and asteroids

Subject of Astronomy. ... Celestial Sphere. ... Spherical Frames of Reference: Horisontal and Equatorial Coordinates, Ecliptical System. ... Transformation of Celestial Coordinates. ... Change of Object Coordinates as a Result of Diurnal Rotation of Celestial Sphere. Phenomenons, Which Lead to Celestial Coordinates Change. ... Motion of Equator, Ecliptic, and Their Poles. ... Diurnal Solar Motion on Different Latitudes. ... Time Equation. ... Apparent Motions and Configuration of Planets. ...

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• Physics and Chemistry of Comets
• Celestial Mechanics
• Dynamics of Space Flying

Modified 11 April 1999. The last modifications concerns to the new ground tracks selection on the base of the more wide list of the INSPIRE particpants. ... The range value was changed from 2 deg to 4 deg for the distance between lat/lon of the graund track and place of the INSPIRE members. Plots of predicted tracks under USA and Europe 11 April 1999 . April, 17, 1999 (USA) . April, 17, 1999 (EUR) . ... 11 April 1999 . ... place . ... Back to the IKI Satellite Situation Center (SSC) . ...

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• Auroral Images
• Planetary Magnetism
• Lagrangian Points

CCD Forum Message . Forums: . Atm ћ Astrophotography ћ Blackholes ћ Blackholes2 ћ CCD ћ Celestron ћ Domes ћ Education . ... Discussion Forums | CCD Tips and Techniques | ... A Slight Change . Forum List | ... I have one suggestion for change in your image gallery. ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• Discover The Science Behind The "Wormwood Star Prophecy" - an Astronomy Net God
• Note The Change - an Astronomy Net Education Forum Message
• Comet 2003/K4 - an Astronomy Net Observation_reports Forum Message

Head Down (Sweet Water) Yeah Stuck in a bad place Running in place Pushing my head under tow Riding buses and living low I'm keeping my head down Keeping my head down Keeping my head down Keeping my head down I don't care about the news of the world The story's always the same Nothing will ever change I don't care about the news of the world The ...

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• Appendix B: Changes from CSS1

... Astronomical Observatory, Shevchenko Park, Odessa, 65014, . ... The XVI -th G. Gamow's Odessa Astronomical Summer Соnference-School, 14-20 August, 2016, Odessa, Ukraine . ... The XV -th G. Gamow's Odessa Astronomical Summer Соnference-School, 16-23 August, 2015, Odessa, Ukraine . ... The XIV -th G. Gamow's Odessa Astronomical Summer Соnference-School, 17-23 August, 2014, Odessa, Ukraine . ... The XIII -th G. Gamow's Odessa Astronomical Summer Соnference-School, 19-25 August, 2013, Odessa, Ukraine . ...

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October, 2008 This is a quick and dirty hack of the version 2.3 sources for osx2x. Changes were made to work under Leopard/Intel (but it's a Universal binary), and to add some preference options. ... But now he has put up 2.4 sources at github . ... For Leopard, the problem was that the older binary looks for libssl 0.9 and libcrypto 0.9, and under Leopard those versions are ppc only. ... I got the scroll wheel disabling working, and also added an option to have it send Pageup/Pagedown keys. ...

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• Changes for release 1.8
• How did I collect the tweets from the 223rd meeting of the AAS
• How did I collect the tweets from the 225th meeting of the AAS