... 2012 December 19 . NGC 5189: An Unusually Complex Planetary Nebula . Image Credit: NASA , ESA , Hubble Heritage Team ( STScI / AURA ) . Explanation: Why is this nebula so complex? ... In the case of planetary nebula NGC 5189 , however, no such simple structure has emerged. To help find out why, the Earth-orbiting Hubble Space Telescope recently observed NGC 5189 in great detail. ... APOD Editors to Speak: RJN in Philadelphia on Jan. ... About APOD | ...

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• APOD: 2006 November 28 - Unusual Starburst Galaxy NGC 1313
• APOD: 2010 March 30 - Unusual Starburst Galaxy NGC 1313
• APOD: 2013 November 18 - Aurora and Unusual Clouds Over Iceland

... 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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... An Unusual Globule in IC 1396 . ... Known to some as the Elephant's Trunk Nebula , parts of gas and dust clouds of this star formation region may appear to take on foreboding forms, some nearly human . ... Energetic light from this star is eating away the dust of the dark cometary globule near the top of the above image . ... Publications with keywords: Elephant's Trunk Nebula - IC 1396 - cometary globule . Publications with words: Elephant's Trunk Nebula - IC 1396 - cometary globule . ...

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• Астронет > An Unusual Globule in IC 1396
• Unusual Starburst Galaxy NGC 1313

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2000 February 28 . The Sombrero Galaxy from VLT . ... FORS1 , VLT ANTU , ESO . ... Reasons include the Sombrero 's unusually large and extended central bulge of stars, and dark prominent dust lanes that appear in a disk that we see nearly edge-on. Billions of old stars cause the diffuse glow of the extended central bulge. ... About APOD | ...

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• Astronomy Picture of the Day
• APOD: 2000 January 3 - Cas A Supernova Remnant in X Rays
• APOD: February 9, 1999 - A Supernova Starfield

... The blue bubble is a planetary nebula known as Abell 33. Planetary nebulae are created when an aging star blows away its outer layers of gas in a gigantic cosmic bubble. ... Creating the illusion of the cosmic diamond is a bright star along the rim of the nebula. ... The star is about 700 light years away, that is halfway between Earth and the nebula. ... At the centre of the ring, you can see the remains of the star that created this planetary nebula, now a white dwarf . ...

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• http://www.eso.org/public/news/eso1227/kids/
• http://www.eso.org/public/news/eso1511/kids/
• http://www.eso.org/public/news/eso1507/kids/

This month's Geminid meteor shower is expected to peak around the late evening of Tuesday 13th/early hours of Wednesday 14th. The shower is usually one of the best of the annual meteor showers, with many relatively bright, slow- to medium-speed fireballs. ... These meteors are believed to originate from the near-Earth asteroid, Phaethon, discovered by a NASA satellite in 1983. ... FOR FURTHER INFORMATION CONTACT: John McFarland at the Armagh Observatory, College Hill, Armagh, BT61 9DG. ...

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• Armagh Observatory
• The Twins' Meteors, Geminid Meteors
• May 2002 Planetary Alignment

Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Earth Satellites . ... Leonid meteors seen from 13 km altitude aboard an aircraft during the 1999 Leonids Multi-Instrument Aircraft Campaign (Leonid-MAC). Comet Tempel-Tuttle provides the cometary debris for the Leonid meteor shower. ... Every 17-19 November Earth crosses Tempel-TuttleтАЩs orbit and the Leonids become visible. With clear, dark skies observers may see 10 to 15 Leonid meteors every hour on those mornings. ...

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• Spooky Sights in the October Sky | Astronotes
• Supernova spotted by Irish astronomer | Astronotes
• The Leonid meteors: highlights of the November night sky | Astronotes

... Jitter is usually very small in magnitude and random in effect, and is not expected to lead to systematic throughput changes. ... However, such a change should lead to an obvious decline in the strength of the comparison lines at one end of the spectrum relative to the other and not an overall decline in counts. No such effect is seen (the counts decline evenly from one end of the spectrum to the other). ... The value changes steadily, but not by enough to account for the changes in counts seen. ...

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• Unusually bright 12CO(3-2) condensations in the tidally perturbed Small
• WFPC2 Instrument Handbook Update
• Making HST Pictures: Illustrations

... 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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The red colors in this image show the galaxy M66 as it appears at the submillimeter wavelength of 850 microns, while the white background shows the galaxy as it appears in visible light. Regions of cold dust that appear as dark streaks in the white image glow brightly in the red image. ...

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• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B8DD7159C-8147-4F84-9431-C54A128A25EA%7D
• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B2788CED9-F56B-4355-87CB-C89288DEDE1A%7D
• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B1D9CCD4E-CDE4-4B91-897F-535B924AC5BE%7D

... The awsome spectacle of a brilliant comet, with its long ghostly tail streaming behind it, is a rare event. ... Only one other comet, Comet Halley, was seen so far from the Sun, giving scientists an opportunity to watch it as it slowly warmed up and sprouted a tail. ... Comets are the Rip Van Winkles of the solar system -- mini-worlds that have changed little during their 4.5-billion-year nap far from the Sun. ... Observing Comets . ... Once, comets inhabited the entire solar system. ...

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• ASP: Star Science in the Autumn Sky
• ASP: Accidental Astrophysics: The Devil's In the Magnitudes, Part II
• ASP: Indiana Jones and the Astronomers of Yore

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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• Galaxy Gallery Page III
• Low Surface Brightness Galaxy Gallery
• LSB wALES cONFERENCE fOLLOW-pu

... The HH flow associated with young stellar object HL Tau has an exciting history and even until now the origin of some its features is not clear yet. ... Knotty structures of Herbig-Haro jets are common phenomena and knowing the origin of such structures is essential for understanding the processes of jet formation. ... In the flow detected compact knots with high (-150 km/s) and bow shape structures in front of those, with low radial velocities (-50 km/s). ...

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• Optical component of GRB080319B
• Galaxy sector, archive 2004
• Detection of unique bright radio flare of X-ray binary

Proceedings of Turbulent Shear Flows XI , 1997. NASA Technical Paper # 3555 , 1997. Proceedings of European Turbulence Conference VI , 1996. ESPRI Research Report # 104, 117-143 (1996) . ... Proceedings of Turbulent Shear Flows X , 1995. ASME Paper 95-GT-437 , 1995. ... Invited AIAA Paper 94-2281 presented at the 1994 AIAA Fluid Dynamics Conference, Colorado Springs, CO. AIAA Paper 94-2323, presented at the 1994 AIAA Fluid Dynamics Conference, Colorado Springs, CO. ...

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• crydee.sai.msu.(su,ru) archive: Help
• Image: Dreaming about things on display. After checking, they appeared to be

Check out the new images (Jan 18-25) and (Jan 26-Feb 05) of the comet by Rob McNaught. ... Every few years a comet becomes bright enough to be easily seen with the naked eye but only every decade or so are these comparable with comets like Halley. ... Before Jan 13, the comet is not visible in the Australian sky after sunset. ... SOHO images . ... On Jan 12 at approximately 09:00 UT (8pm NSW time), comet C/2006 P1 McNaught appears at the 11 o'clock position in the images. ... STEREO images . ...

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• Blue Straggler Stars
• What’s this got to do with velocities?
• Pink Black Holes: Frequently Asked Questions

... V838 Mon is a member of a new class of eruptive variables which appear as a peculiar novae having late K-M type spectra in their outburst. Before its outburst, it was a wide binary system of B3V type stars. ... The B3V companion was seen in the outburst in the UV spectrum taken with HST (Rauch et al., ... In the latest spectra, the light of B3V companion was predominating in the short-wave photometric bands. ... CCD blue frames of V838 Mon before the eclipse (left) and in the eclipse (right). ...

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• http://mavr.sao.ru/hq/katya/CosmosPh/en/Abstract_Sharina.txt

... A revised machine-readable source list for the Rees 38-MHz survey. ... 233R ============================================================================ We present a revised machine-readable source list for the Rees 38-MHz (or '8C') survey with improved positions and no redundancy. The Rees 38-MHz survey covers an area of about 1 sr north of declination +60 degrees. The angular resolution is 4.5 x 4.5cosec(dec) arcmin**2 and the limiting flux density over much of the survey area is about 1 Jy. ...

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• Magnitudes and Colors
• "Structure" publications in 2002 year
• RATAN-600 NCP bright radio sources

... 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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• ALFALFA Dark Cloud
• HISA Science Overview
• The Pleiades

... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Parkes radio telescope . ... Visiting Parkes radio telescope . ... HI in Shell Galaxies and other Merger Remnants . ... However, M104 shows an unexpected faint feature at a considerable projected distance to the SSW of the galaxy (position angle about 200 degrees). ... Our final example of a spiral galaxy with unexpected faint features is NGC 2855, an SA(r) galaxy remarkable for its ordinariness. ...

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• The HIPASS Bright Galaxy Catalog
• Bright prospects: Comparing the H Survey with large-scale radio continuum
• Prospects

... Comet Animation . ... Comet structures are diverse and very dynamic, but they all develop a surrounding cloud of diffuse material, called a coma, that usually grows in size and brightness as the comet approaches the Sun. ... As comets approach the Sun they develop enormous tails of luminous material that extend for millions of kilometers from the head, away from the Sun. ... The evaporated molecules boil off and carry small solid particles with them, forming the comet's coma of gas and dust. ...

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• First X-Rays From a Comet Discovered
• Pluto and Charon
• The Sun