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 . ...

Apr 13 2015 Taurus - The Bull By RA Catalog NGC 1312 IC IC IC IC 322 1918 1930 1931 M Her Object Type Glxy (R')SBb: sp Glxy Glxy Non-Existent Glxy D Glxy S0 Glxy S? Glxy Sab Non-Existent Glxy S? Glxy (R)SAB(rs)0/a: Glxy SBbc: Glxy S? Glxy Sbc Non-Existent Glxy S? Glxy SBb Mag Alias/Notes 15.4 15 14.8 15.3 14.2 15.2 15 14.8 14.7 15.3 14.7 15 15.4 14.3 14.7 14.5 15 STAR ...

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. ...

... 1.03.1999 . ... Credit: Yuugi Kitahara Explanation: Reflection nebulae reflect light from a nearby star. ... The blue color typical of reflection nebula is caused by blue light being more efficiently scattered by the carbon dust than red light. ... NGC 1435 , pictured above , surrounds Merope (23 Tau) , one of the brightest stars in the Pleiades (M45). ... Publications with keywords: nebula - reflection nebula . Publications with words: nebula - reflection nebula . ... Polaris Dust Nebula . ...

... 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 . ...

... 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) .: ...

RA 5:33, Dec -5:25 ( Orion ) . Type: emission nebula . ... The Orion Nebula is easily visible with the naked eye as the middle star in Orion's "sword". In this image M 42 (NGC 1976) and M 43 (NGC 1982) appear as one large object. ... The HST images below show for the first time small regions that seem to be on the verge of collapsing into stars and perhaps planetary systems. ... Fabulous HST images from Doug Johnstone . Nice HST image of the Trapezium . NN 248k gif . ... David Malin) . ...

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 . ...

... 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. ...

This is a study of the interstellar matter associated with the Pleiades star cluster. ... Since that time, the project has been extended to include more thorough tests of dust scattering models, more detailed analyses of the gas kinematics, and power spectrum studies of the multiscale structure of the nebulosity. ... The Pleiades Reflection Nebula. ... Gibson, S. J., & Nordsieck, K. H. 2003, Astrophysical Journal , 589 , 347 . ... B&W preprint: local gzipped PS . Color preprint: local gzipped PS | ...

. 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] .

... 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. ...

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... 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. ...

... 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]. ...

... 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 . ...

... 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 . ...

... Tonight's Sky . ... The Magazine . ... Observing . ... Magazine . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... The Golden Earring, planetary nebula NGC 2867, and barred spiral galaxy NGC 3109 . ... Astronomy for Kids . ... The Horsehead Nebula in Orion . ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...