... 2006 December 17 . A Force from Empty Space: The Casimir Effect . ... Measuring slightly over one tenth of a millimeter, the ball moves toward a smooth plate in response to energy fluctuations in the vacuum of empty space. ... The form and genesis of dark energy is almost completely unknown, but postulated as related to vacuum fluctuations similar to the Casimir Effect but generated somehow by space itself . ... About APOD | ...

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• APOD: 2012 December 16 - MWC 922: The Red Square Nebula
• APOD: 2010 December 4 - Sunset at the Spiral Jetty
• APOD: 2001 December 31 - A Year of Dark Cosmology

... Hoags Object: A Strange Ring Galaxy . ... Credit: R. Lucas ( STScI / AURA ), Hubble Heritage Team , NASA Explanation: Is this one galaxy or two? ... How Hoag's Object formed remains unknown, although similar objects have now been identified and collectively labeled as a form of ring galaxy . ... Hoag's Object spans about 100,000 light years and lies about 600 million light years away toward the constellation of Serpens . ... Ring Galaxy AM 0644 741 from Hubble . ... Polar Ring Galaxy NGC 4650A ...

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• Dark Belt Reappearing on Jupiter
• XWare > APOD
• Journal "Peremennye Zvezdy"

... 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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... December 13, 1997 . The Coma Cluster of Galaxies . ... The Coma Cluster of Galaxies pictured is one of the densest clusters known - it contains thousands of galaxies . Each of these galaxies house billions of stars - just as our own Milky Way Galaxy does. ... In fact, the Coma Cluster is so big it takes light millions of years just to go from one side to the other! Most galaxies in Coma and other clusters are ellipticals , while most galaxies outside of clusters are spirals . ...

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• APOD: 2000 December 15 - IC443's Neutron Star
• Astronomy Picture of the Day
• APOD: December 29, 1997 - The Milky Way in Infrared

... Professor Mark Bailey completed work with the former PDRA Vacheslav Emel'yanenko on the capture of Halley-type comets from the long-period cometary flux. He also completed a paper with Ph.D. student Scott Manley on collision probabilities between small solar system bodies, and together with PDRA David Asher and visiting research fellow Vacheslav Emel'yanenko provided the explanation for the unexpected outburst of Leonid fireballs on the morning of 1998 November 17. ...

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• Armagh Observatory
• Hot subdwarfs
• Buildings

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Solar System . ... Planets . ... Space Flight . ... Neptune, which is not visible with the naked eye, was discovered by mathematical prediction in 1846 before being observed through a telescope. ... Tidal interactions between Neptune and Triton mean that in 100 million years these two bodies may come too close to one another causing Triton to be torn apart leaving Neptune with a ring system more spectacular than SaturnтАЩs. ...

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• Was the 21 September Fireball a Second Moon? | Astronotes
• Kepler-10c: the First Mega-Earth | Astronotes
• Stargazing in December | Astronotes

The Sun's corona . ... For instance, short "plumes" rising from the polar regions of the Sun look very much like field lines coming out of the end of a bar magnet, and they therefore suggest that the Sun, in addition to the intense fields of sunspots, also has a global magnetic field like the Earth's. Arches above the . Sun's surface . ... 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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• Kepler and His Laws
• History of Space Exploration
• Jupiter's Moon Ganymede

This is the homepage of Andrew Fruchter, an astronomer on the staff of the Space Telescope Science Institute . ... Here you can look at an HST images of the optical counterparts of gamma-ray bursts and their host galaxies. ... Therefore, substantial information on the fine scale structure of objects can be obtained by offsetting the pointing of the telescope between exposures and then combining these "dithered" exposures into a single image. ...

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• Further Information
• December 2011
• Gregory F Snyder

... Главная . ... Новости . ... Проекты . Любителям астрономии . Проект ISON . ... Подробнее . ... Категория: Новости проекта ISON . ... Метки: Космический мусор ,љ Астероиды ,љ Гамма-всплески ,љ Любителям астрономии ,љ Кометы љ . ... Метки: Космический мусор ,љ Астероиды ,љ Любителям астрономии љ . ... Новости обсерваторий проекта] - Обсерватория Кубанского государственного университета от Иванов А - 09.04.2016 11:08:49 . ... 1999-2013 Copyright "Астрономия и Телескопостроение" . ...

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... A quick inspection of the cube by eye reveals 10 sources, including NGC 1156 and a 4 galaxies between 10,000 and 11,000 km/s. The 10 sources include two 2MASS sources with no previously known redshifts and one previously uncatalogued source. Moment 0 map of the previously uncatalogued source. Spectrum of the previously uncatalogued source. Digitized Sky Survey image of the previously uncatalogued source, with Moment 0 contours overlaid at 5, 10, 15 and 20 sigma. ...

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• What is a pulsar?
• The Pleiades
• I-GALFA View of a Galactic Tangent Region

... There are several explanations for these X--ray quiet PMS stars. To examine the explanations, it is proper to divide the PMS stars into three groups: those bluer than R - I = 0.7, those redder than the X--ray sources (R - I > 1.25) and those with colors similar to the X--ray sources. ... A total of 26 of the non--X--ray detected PMS candidates had spectra taken. ... Between V=14 and V=16, I find 25 stars which are X--ray sources and estimate 19 non--X--ray PMS stars. ...

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• The AstroStat Slog incompleteness
• The AstroStat Slog 2007 December
• Completeness

This page contains the table of contents and select excerpts only and is not a complete reproduction of this issue. Complete content for online Mercury is available to ASP members and institutional subscribers . ... As Indiana University astronomer John Salzer well knows, not all of them are easy to classify, and a few even appear to be relics from a bygone age. ... But at the same time, Johannes Kepler made a fundamental contribution to astronomy. ... A Messenger to Mercury , Paul Deans . ...

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• ASP: It's Saturn time!
• ASP: Star Science in the Autumn Sky
• ASP: Indiana Jones and the Astronomers of Yore

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... History . Brief History of Rocket and Space Technology . ... Flights Chronology . ... Project History . ISS Russian Segment . Steps of ISS Assembly . ... ISS 45/46 . ... Missions Archive . ... News . ... News archive . 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 - LAUNCHERS
• S.P.Korolev RSC Energia - MIR ORBITAL COMPLEX

... 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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• A Brief History of Magnetospheric Physics Before the Spaceflight Era
• Lesson 23--Frames of Reference: The Basics
• Main results of the experimental and theoretical research completed in 2010

... Yes, Exploding Comet 17P/Holmes is one of the strangest things ever seen by astronomers - professional and amateurs alike. ... We also had some club members who received some Astronomical League awards...and we'd like to congratulate them! ... It is again a potluck, and is being held at the Masonic Temple in Galion ( 1252 State Route 598, Galion , OH 44833) Here's a map: Map of 1252 State Route 598 Galion, OH 44833-9367, US And, along with the party come RAS elections for 2008! ... Comet 17P/Holmes ...

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• The M111 - "On Line"

M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...

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• CCDs for Material Scientists
• ESO Press Release 06/96, 16 February 1996

... EXPN DNO D A T E UT TIME FQ SOURCE CORR-Telescopes VT734 355-MO Dec 21 08:00-21:00 C TAU-A Pointing VT735 356-TU Dec 22 08:00-21:00 C TAU-A Pointing VT736 358-TH Dec 24 09:00-20:00 K ORIONKL Pointing VT737 359-FR Dec 25 09:00-20:00 K ORIONKL Pointing VT738 360-SA Dec 26 09:00-20:00 C 0528+134 Mitk-UD KA SH W018c 364-WE Dec 30 06:00-15:00 L 0552+398 Socr-VLBA W071n 6-WE Jan 06 10:00-17:00 L J0745+10 Mitk-AT HO MP UD SH KA W059e 7-TH ...

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• NGC 2915: The Darkest Spiral Galaxy
• ATNF Media Release - December 1, 1998
• LBA Block Schedule for 2013OCT

National Aeronautics and Space Administration . ... Frank Borman . ... A romance with airplanes that began when he was 15 years old, took Frank Borman to the Air Force and then to NASA. ... Frank Borman retired from the air Force in 1970, but is well remembered as a part of this nation's history, a pioneer in the exploration of space and a veteran of both the Gemini 7, 1965 Space Orbital Rendezvous with Gemini 6 and the first manned lunar orbital mission, Apollo 8, in 1968. ...

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• Astronaut Bio: Steven L. Smith (12/2013)
• Astronaut Bio: Robert Curbeam (12/2007)
• Astronaut Bio: Andrew S. W. Thomas (3/2014)

Summary of A. Skop enkov's prop osal This proposal concerns the classical Knotting Problem in topology: classify embeddings of a given space into another given space up to isotopy. ... The Knotting Problem is known to be hard. ... The Knotting Problem is most interesting for manifolds of dimension at most 4, because embeddings of such manifolds often appear in other branches of mathematics and its applications. ... For N not a homology sphere until 2005 no description of the orbits was known. ...

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• http://www.mccme.ru/dfc/2010/Program2/shlapunov_summary_eng.pdf
• http://www.mccme.ru/dfc/2009/reports/2011-Oblezin.pdf
• http://www.mccme.ru/dfc/2012/reports/2013-Kaledin_report.pdf

God Science Forum Message . Forums: . ... God and Science ћ SETI ћ Software ћ UFO ћ XEphem . ... God and Science | ... Unknown Ancient (sacred) Geometry . ... Is this symbol the complete ancient flower of life? http://thecompletefloweroflife.blogspot.com/ Could God be a symbol? ... 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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• Education Discussion Forum - Hosted by The Astronomy Net
• Articles written by astronomers for astronomers of all ages.
• Magnification On ETX 90EC - an Astronomy Net Meade Equipment Forum Message