Photon Scattering: Basic Principle of Photon Scattering . Audio Narration is available . No Scattering: Photon Source and Detector . ... For optical photons, scattering goes as wavelength to the -4 power. In the case of blue photons compared to red photons, this means that blue photons are about 10 times more likely to get scattered than red photons. ... Watch the blue photons scatter away from the detector . ... Interstellar dust make stars appear redder than they really are . ...

... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . ... Mopra radio telescope . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... The Secret Inner Life of the Orion Nebula . ... Beneath the familiar surface of the Orion Nebula is a spectacular molecular hydrogen outflow from a young stellar object, of very unusual morphology. ... The Orion Nebula . ...

. Home . News . Gallery . Events . Twitter . Press Releases . Links . Contact Us . Calendar . Press & Web Coverage . Previous . Next . List . This excellent painting of a nebula has won a prize in ESO's 'Catch a Star 2008'. The artist is a young female pupil in Saint Andrews Junior College in Blackrock. Congratulations to Ashley, and to Deirdre Kelleghan, who had inspired her! . Monday, 14 July 2008 22:29 . International Year of Astronomy, Ireland National Node . [Back To Top] .

. Photo: National Optical Astronomy Observatories ( 95k jpg ) . Prev . More . Top . Next . Bill Arnett . 1995 March 28

. " The Arecibo Observatory is sponsored by the National Science Foundation. Any opinions, findings and conclusions or recommendations . expressed in this publication are those of the author(s) and do not necessarily reflect the views of the National Science Foundation."

STScI . The Orion Nebula Cluster . as a Paradigm of Star Formation . ... What is STScI . ... University of Toledo . Prof. Joao Alves . ... University of Colorado at Boulder . ... University of Notre Dame . ... Leiden Observatory . ... University of Florida . ... Prof. Michael Dopita . RSAA, The Australian National University . ... Pennsylvania State University . ... University of Vienna/Smithsonian . ... Prof. Lee Hartmann . ... National Astronomical Observatory of Japan . ...

Astronomy Picture of the Day . ... 27.05.2007 . ... Also known as Barnard 33, the unusual shape was first discovered on a photographic plate in the late 1800s. The red glow originates from hydrogen gas predominantly behind the nebula, ionized by the nearby bright star Sigma Orionis . ... Streams of gas leaving the nebula are funneled by a strong magnetic field . ... Publications with keywords: Horsehead Nebula . Publications with words: Horsehead Nebula . ... Reflections on the Horsehead Nebula . ...

... Astronomy news . ... Double Engine Fuels Star's Remarkable Nebula . ESO has just released a stunning new image of a field of stars towards the constellation of Carina (the Keel). ... Interactions in this double system, surrounded by a dusty disc, may be the engine fuelling the star s remarkable nebula. The new image, showing a very rich field of stars towards the Carina arm of the Milky Way, is centred on the star HD 87643, a member of the exotic class of B[e] stars [1]. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Stars . ... Telescopes and Observatories . ... The majestic star-forming region in the Lagoon Nebula. The pale ring to the right is an internal reflection in the telescope.€а (Image credit: ESO/ VPHAS+/ V. Kalari and J. Vink (Armagh Observatory) . ... The 18 component images were further processed twice. ... Venu and his colleagues use images like this to identify individual young forming stars in the Lagoon Nebula and determine their ages. ...

... Classes . ... Nebula Class Reference . ... getInfoString (const StelCore *core, const InfoStringGroup &flags) const . ... getCloseViewFov (const StelCore *core=NULL) const . ... getVMagnitude (const StelCore *core, bool withExtinction=false) const . ... getSelectPriority (const StelCore *core) const . ... getEquinoxEquatorialPos (const StelCore *core) const . ... getJ2000GalacticPos (const StelCore *core) const . ... getPositionInfoString (const StelCore *core, const InfoStringGroup &flags) const . ...

... Gallery . ... Wide Field Survey Images . Miscellaneous Wide Field Images . ... Sidebar Left . Sidebar Top . No Sidebar . Sidebar Bottom . Sidebar Right . ... Title: Trifid Nebula . Description: NOTE: All images are copyright and must not be reproduced or mirrored in any form without written permission. File name: trifid.jpg . ... Trifid Nebula NOTE: All images are copyright and must not be reproduced or mirrored in any form without written permission. ...

... NGC 1501 - планетарная туманность Устрица (Oyster Nebula) или Верблюжий глаз (Camel's Eye Nebula) в околополюсном созвездии Жирафа (Camelopardalis) .. ... Просмотр полной версии : NGC 1501 - планетарная туманность Устрица (Oyster Nebula) или Верблюжий глаз (Camel's Eye Nebula) в околополюсном созвездии Жирафа (Camelopardalis) .. ... NGC 1501 Устрица (Oyster Nebula) или Верблюжий глаз (Camel's Eye Nebula) .: ...

. This stunning image of the Horsehead Nebula was taken with the National Science Foundation's 0.9-meter telescope at Kitt Peak National Observatory in Arizona. Located more than 1,600 light-years away in the constellation Orion the Hunter, the Horsehead is a dense cloud of gas lying in front of a star-forming nebula called IC 434. T.A. Rector (NOAO / AURA / NSF) / Hubble Heritage Team (NASA / STScI / AURA)

... Киевский клуб любителей астрономии "Астрополис" > . ... Астрофотография (Модераторы: LifeIsGood , MaxMan ) > . NGC 6888, Crescent Nebula, Серп - он же.. ... Жизнь клуба . ... Астрофотография . ... 07 Август 2007, 21:03:46 ? ... ngc_6888-a-f.jpg (116.87 КБ, 700x575 - просмотрено 160 раз.) ... Клуб Астрополис . ... Ответ #1 : 07 Август 2007, 21:07:35 ? ... Клуб Астрополис, Модератор . ...

... The first VLT 8.2-m telescope (UT1) is now undergoing a "Commissioning Phase" during which all systems are thoroughly tested and further tuned. ... ESO Press Photo 21/98 . ... IC 4406 is a planetary nebula with an unusual, almost "rectangular" shape. ... Technical information : Combination of two 5-min B (blue) exposures (seeing 0.95 arcsec), two 5-min V (green-yellow) exposures (0.90 arcsec), and one 5-min and two 2-min R (red) exposures (0.70 to 0.90 arcsec) with the VLT Test Camera. ...

... Science . ... Science Users Information > Science Activities > PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: Dust in the Crab Nebula Supernova Remnant . ... Data Handling and Products . ... Science Data Products Forum . ... The Crab Nebula supernova remnant, NGC 1952, is the remains of a massive star that underwent a supernova explosion in AD 1054 (see the HST image ). ... A thesis topic to study in detail the properties of the dust features in the Crab Nebula is outlined. ...

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... Posts tagged ?crab nebula? ... An email was forwarded with questions related to the data sets found in ?Be an INTEGRAL astronomer? Among the sets, the following scatter plot is based on the Crab data. ... Tags: ANOVA , block design , crab nebula , F-test , gaussinity , integral , light curve . ... Comment . ... Entries RSS . Comments RSS . ... vlk on [MADS] Parallel Coordinates . upvc windows on [MADS] Parallel Coordinates . ... Alfred Inselberg on [MADS] Parallel Coordinates . ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... Ciel Espace, nouvelle formule, c'est . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil La Spiral Planetary Nebula retrouve ses vraies couleurs . ... 07/04/2016 - Plong†йe au centre de la Voie lact†йe . 01/04/2016 - Impact r†йcent sur la face cach†йe de la Lune . ... 22/03/2016 - LтАЩoptique du JWST est achev†йe . ...

... G184.6-5.8 . ... 1992VLA.. ... 1985MNRAS.212.. ... 1997ApJ.. 490.. 291B . ... 1989MNRAS.186.. 755S . ...