... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2006 September 20 . The International Space Station Expands Again . Credit: STS-115 Shuttle Crew , NASA . Explanation: The developing International Space Station (ISS) has changed its appearance again. ... Construction began on the ISS in 1998. ... About APOD | ... NASA Web Site Statements, Warnings, and Disclaimers . ...

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• APOD: 2002 September 3 - A Dust Devil on Mars
• APOD: September 1, 1998 - A Colorful Aurora
• APOD: September 6, 1997 - Isaac Newton Explains the Solar System

General Information . Conference Timetable . ... The meeting starts at 9:00 on Wednesday 2 September, however on Tuesday 1 September we will have an early registration desk at the Observatory, plus a welcoming reception consisting of drinks and nibbles. ... On the social front, we have arranged on Friday evening a visit to the Navan Centre which is two miles west of the city and is situated close to the great mound of Navan Fort, stronghold of the kings of Ulster from 700 BC. ...

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• C.J. Butler, Research Astronomer

An Ancient Universe: How Astronomers Know the Vast Scale of Cosmic Time . THE CHANGING UNIVERSE: EVOLUTION HAPPENS! . b) Changes in Stars . One of the great discoveries of modern science is that stars (like people) live only a measurable life-time and then die. Although the lives of the stars are enormously longer than the span of a human life, we can learn about the life story of the stars by studying them at many different stages in their life cycle, from birth to death. ...

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• ASP: An Ancient Universe - Changes in the Universe
• ASP: An Ancient Universe - Changes in the Solar System
• ASP: Indiana Jones and the Astronomers of Yore

... Any water on Mars is locked up in the ice caps. ... The most recent successful mission to Mars is the Mars Science Laboratory better known as the Curiosity rover. ... CuriosityтАЩs primary role is to search for conditions that may have once been able to harbour any sort of bacterial life concealed beneath the Martian surface. ... Using what we know about life on Earth, where there is water, there is life, signs of water may help us understand what Mars was like billions of years ago. €а . ...

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• extraterrestrial life | Astronotes
• Planets | Astronotes
• Solar System | Astronotes - Part 3

Astronomy Picture of the Day . Volcano Euboea Fluctus On Io . ... 8.09.1996 . ... Credit: The Galileo Project , JPL , NASA Explanation: Jupiter 's moon Io is turning out to be our Solar System 's geologic powerhouse. ... Shown above are photographs of the volcano Euboea Fluctus taken at different times. ... The upper right Galileo picture has been artifically changed to simulate the color sensitivity of the Voyager 2 mission. ... September 1996 . ... Publications with keywords: volcano - Io . ...

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• XWare > APOD
• Mysterious Changing feature on Titan
• Maximum Sun

... This page contains the schedule for HALCA observations from September 14 to December 31, 1997. The observations in September and October are firm, but changes will still be made for November and December. Please check this schedule about once per week. ... Modified on Sep 23: VT900 Sep 29 Removed Usuda VT901 Sep 30 Removed Usuda VT828 Oct 02 Moved to October 8 and replaces VT903 (KA, UD, NO) V041a1 Oct 03 Removed Effelsberg V047s Oct 14 Removed Usuda. ...

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• Release of 18 September 2003.
• VLBI Wiki | PmWiki / ChangesFromPmWiki1
• Mode changing, Srifting and Nulling

XMM­Newton CCF Release Note XMM­CCF­REL­111 RGS GTI Selection C. Gabriel February 27, 2002 1 CCF components Name of CCF VALDATE EVALDATE List of Blocks changed XSCS flag RGS1 HKPARMINT 0009 1999­01­01T00:00:00 --- HKPARMINT NO RGS1 HKPARMINT 0010 2000­09­04T09:02:00 --- HKPARMINT NO RGS2 HKPARMINT 0008 1999­01­01T00:00:00 --- HKPARMINT NO 2 Changes The HK parameter names of the RGA temperature sensors were wrong in the former versions and had to be changed. ... Check the GTIs produced. ...

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• Change history
• SciSim Release Track
• SciSim v2.1 development

OptInt PmWiki . ... Conceptual Design Review . ... Page History | ... Requirements . Design Documentation . ... Requirements Review . ... MROI FTT Contract Private Material . ... Return to Conceptual Design Review ( Edit ) . ... MRO-TRE-CAM-0000-0103 FLC Conceptual Design Report (JSY) . ... MRO-TRE-CAM-0000-0102 FTT/NAS Conceptual Design Report . ... MRO-TRE-CAM-0000-0104 FTT/NAS Requirements Compliance Matrix (JSY) . ... MRO-TRE-CAM-0000-0102 FTT/NAS Conceptual Design Report (JSY to collate) . ...

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• OptInt PmWiki : PmWiki / Changes From Pm Wiki 1
• OptInt PmWiki : Changes From Pm Wiki 1
• OptInt PmWiki : Recent Changes

... The default run_state of all incoming runs is now OPEN . The support astronomer has to inform the operations support scientists if the run_state for a run has to be changed (e.g. after consulting the Database Consistency Check Page which is updated hourly from 9:30 to 17:30, Garching time) . The default run_state of all SM runs for next period is NEXT . By default, all NEXT runs will be set to OPEN at the start of the new period. ... COMPLETED or TERMINATED . ... COMPLETED . ...

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• What's new in the ESO Web
• DFS Department meeting#5 minutes
• ESO - Paranal Instrumentation Changes

... 2000 September 21 . XZ Tauri System Ejects Gas Bubble . ... Explanation: Why is the binary star system XZ Tauri emitting a hot bubble of expanding gas? ... The XZ Tauri star system is known to reside in the Taurus star forming region located about 500 light-years away. ... The bubble has been expanding over the past thirty years and now extends to nearly fifteen times the binary separation. Tomorrow's picture: Star Cluster . ... About APOD | ...

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• APOD: September 5, 1998 - The Pulsar Powered Crab
• APOD: 2000 September 25 - AR 9169: A Large Sunspot
• APOD: September 25, 1997 - T Pyxidis: Recurrent Nova

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... Brief History of Rocket and Space Technology . ... ISS Russian Segment . ... Sea Launch . ... News . ... OAO RSC Energia is a leading enterprise of rocket-space industry, the prime organization for manned space systems. ... Contribution of RSC Energia to the Russian Rocket-Space Technology . ... RSC Energia: Progress MS-02 docked with the ISS.' ... 2015 JSC "S.P. Korolev RSC "Energia" . ...

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• S.P.Korolev RSC Energia - MIR ORBITAL COMPLEX

... Circle area is proportional to the number of tweets + retweets tweets retweets . Order accounts: by user number (effectively random) by number of tweets (includes retweets) by number of followers by number of followers that also tweeted about AAS221 by number of friends that also tweeted about AAS221 . ... The top/left position is for the user with the largest number of followers, and the bottom/right is for the smallest number of followers. by number of followers that also tweeted about AAS221 . ...

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• A matrix of tweets from #AAS223
• Changes For Users from XPA 1.0 and 2.0
• The AstroStat Slog Blog Archive [Quote] Changing my mind (again)

... Moon . ... What can astronomers tell us about the different colors on the surface of Jupiter's moon Europa? ... We can use the colors of Europa s surface to tell us about the chemical compounds that make up the surface and subsurface of the jovian moon. Even before the first spacecraft made a close visit to Europa, astronomers on Earth used telescopes to study the moon and were able to use a technique called spectroscopy to determine that Europa s surface is composed mostly of water ice. ...

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• September 2015 | Astronomy.com
• September 2007 | Astronomy.com
• September 2013 | Astronomy.com

We present new images of the reflection nebula surrounding the R Coronae Borealis Star, UW Centauri. ... Instead, the morphology of the nebula appears to change as different parts are illuminated by light from the central star that is modulated by shifting thick dust clouds near its surface. ... In this way, the central star acts like a lighthouse shining through holes in the dust clouds and lighting up different portions of the nebula. ... ADS Citation Query . citations = 21 . ...

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• Archive for September
• Change To CCD Imaging Throughput
• WFPC2 Header Changes due to OPUS 10.0 Update

... St Petersburg 23, September 2014 1 Motivation · Origin of Martian moons? ... Considered error sources: ­ Phobos a priori ephemerides; ­ Phobos a priori GM value; ­ measurements noise; ­ different strategies; · Methods: ­ real data analysis; ­ simulations. ... St Petersburg 23, September 2014 8 Simulations: sensitivity of the measurements to the a priori GM value Simulations: zero noise+ IMCCE a priori ephemerides +GMPH = 7.16 * 105 m3/sec2. ... St Petersburg 23, September 2014 14 Thank you! ...

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• http://www.gao.spb.ru/english/as/j2014/presentations/zotov.pdf

... Title page . ... What's new . ... New page for global change started. ... New page for heliosphere (incl. heliopause and helio-sheath) started. ... New pages about ring current and coronal mass ejections created. ... I created a new Content page, as both the alphabetic page listing and (especially) the "index" listing were getting seriously out of my hands. ... Page for sunspots was created. ... New page for geomagnetic activity written, and another one for 1.3 year periodicity of the sun started. ...

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• Global change [Oulu]
• The Face on Mars
• A Plea for Support of the Space Program

Next: Special Cases: Supernova Explosion Up: Change of Binary Parameters: Previous: Mass change . The binary separation a changes differently depending on the mass exchange mode. ... If the mass transfer is conservative ( , i.e. const) and one may neglect the redistribution of the intrinsic angular momenta of the components, the total orbital momentum conservation law implies . ... the orbital separation always increases in such systems). ...

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• Change of Binary Parameters: Mass, Semi-major Axis and Eccentricity
• Mass change
• Evolutionary Scenarios of Binary Systems

... 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: Info

Previous Editions of the M111: . ... OutReach Training and Program . September Public Night . Welcome all ye weary travelers to a new type of M111 "On Line". ... Back to top.. ... When I logged our last outreach programs I couldn't help but notice that Warren Rupp Observatory is NUMBER FIVE in the worldwide standings in public outreach programs! ... If you'd like to train in astronomy outreach, just contact any of our members and we'll be happy to train you to do public outreach! ...

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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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• Note The Change - an Astronomy Net Education Forum Message
• Education Discussion Forum - Hosted by The Astronomy Net