... 2009 August 2 . Stars, Dust and Nebula in NGC 6559 . ... A textbook case is the star forming region NGC 6559 . Visible above are red glowing emission nebulas of hydrogen , blue reflection nebulas of dust , dark absorption nebulas of dust, and the stars that formed from them. ... After tens of millions of years, the dust boils away, the gas gets swept away, and all that is left is a naked open cluster of stars. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...

... 29.03.2016 . ... Credit Copyright: Martin Pugh Rick Stevenson Explanation: Fantastic shapes lurk in clouds of glowing gas in the giant star forming region NGC 6188. ... Joining NGC 6188 on this cosmic canvas, visible toward the lower right, is rare emission nebula NGC 6164 , also created by one of the region's massive O-type stars. ... NASA Web Site Statements, Warnings, and Disclaimers . ... Publications with keywords: stars . Publications with words: stars . ... Galaxies, Stars, and Dust . ...

... Research . ... Star Forming Regions in the Magellanic Clouds | ... Made by B. Lawton (2010). Karl D. Gordon (STScI, Baltimore, USA) . Brian Babler (University of Wisconsin-Madison, USA) . ... Lynn R. Carlson (Johns Hopkins University, Baltimore, USA) . ... Margaret Meixner (STScI, Baltimore, USA) . ... 16) Gordon, K. D., (26 coauthors), Lawton, B., et al. 2012, in preparation; Surveying the Agents of Galaxy Evolution in the Tidally Stripped, Low Metallicity, Small Magellanic Cloud (SAGE-SMC). ...

... Tadpole Emission Nebula and the Flaming Star Nebula . The constellation of Auriga harbors the cluster NGC 1893 which contains the Tadpole Nebula (IC 410). ... The Flaming Star Nebula, IC 405, is the magenta/purplish area and is the reflection portion of this nebulous region. 5nm Narrowband filters; H-alpha: O-III: S-II - 60: 60: 40 minutes x 600-second sub frames, Total= 2-hours 40-minutes, binned 1x1. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... STScI-PRC98-11A STARING INTO THE WINDS OF DESTRUCTION: HST/NICMOS IMAGES OF THE PLANETARY NEBULA NGC 7027 The Hubble Space Telescope's Near Infrared Camera and Multi-Object Spectrometer (NICMOS) has captured a glimpse of a brief stage in the burnout of NGC 7027, a medium-mass star like our sun. ... The material settles into a wind of gas and dust blowing away from the dying star. ... During this phase, intense ultraviolet radiation from the central star lights up a region of gas surrounding it. ...

These images reveal light from a massive stellar outburst in the Carina Nebula reflecting off dust clouds surrounding a behemoth double-star system. The color image at left shows the Carina Nebula, a star-forming region located 7,500 light-years from Earth. The massive double-star system Eta Carinae resides near the top of the image. ... The three black-and-white images at right show light from the eruption illuminating dust clouds near the doomed star system as it moves through them. ...

... ESO, the European Southern Observatory . ... ESO's Governing Bodies . ... Travel to ESO Headquarters . ... Visits to ESO Sites . ... Architecture at ESO . ... Green ESO . ... Survey Telescopes . ... View shopping cart . ... ESO 3.6-metre telescope . ... MPG/ESO 2.2-metre telescope . ... ESO 1-metre Schmidt telescope . ... This wide-field view shows the star-forming region Rho Ophiuchi in the constellation of Ophiuchus (The Serpent Bearer), as seen in visible light. ... View in WorldWide Telescope: ....

GALAXIES cenA .tiff 40 Bright Radio Galaxy M31.tiff Nikon Andromeda Galaxy (note HII regions in spiral arms) ngc6744.tiff 40 NGC 6744 a face-on spiral clouds_20d.tiff H'blad The Magellanic Clouds our nearest neighbours Lmc_7.tiff Nikon The Large Magellanic Clouds Lmc_zoom.tiff Nikon Detail of previous image smc_7.tiff Nikon The Small Magellanic Clouds smc-zoom.tiff Nikon Detail of previous image 30dor_40_BVR.tiff 40 The 30 Dor ... B [OIII] Halpha trifid.tiff 40" The Trifid Nebula. ...

... 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. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Stars . ... Space Flight . ... Earth Satellites . ... Portrait of M8: This is the region of the nebula nicknamed the the т??Southern Cliffт?? and beyond it we can see the darkness of interstellar space interrupted by stars. Image credit: Julia I. Arias and Rodolfo H. BarbУЕ Departamento de FУ-sica, Universidad de La Serena (Chile), and ICATE-CONICET (Argentina)) . ... Astronotes . ... Subscribe to Astronotes . ...

... Bionic eyes. If our eyes could see in different wavelength bands, this is what the Sun would look like. ... Visible light, crucial to photosynthesis, is a type of radiation. ... At the heart of this revolution is the recognition that light travels as a wave. ... Dreams of Fields . ... By the time the fields go from strong to weak and back to strong, the wave has moved a certain distance, known as the wavelength. ... Red light, blue light, infrared light, ultraviolet light, radio waves, x-rays ? ...

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 . ...

... It was shown in the early 1980's that spectral lines formed around 1-2.5 x 10 5 K were enhanced in radiance by factors up to 15-25 over the normal quiet Sun. From the dynamical viewpoint, this would suggest a pressure imbalance between the sunspot and the surrounding region. ... Here, the electron density was evaluated over a bright sunspot plume region using lines within the O V 760? multiplet. ... The derived densities in all four regions are indicated. ...

... The Tarantula Nebula , also known as 30 Doradus and NGC 2070 , is a large region of ionized gas surrounding a collection of newly-forming stars at the eastern end of the stellar bar in the Large Magellanic Cloud (many similar regions are scattered through the LMC; see Kennicutt et al. ... The false-color image above is a log-scale display of a mosaic of several images taken with a CCD camera on the 0.6m Curtis Schmidt telescope at Cerro Tololo Inter-American Observatory in December 1994. ...

... 11 Yellow-Green (78% transmission): Contrasts well with the red and blue characteristics of surface features on Jupiter and Saturn. ... 82A Light Blue (73% transmission): Useful on the Moon, Mars, Jupiter, and Saturn, this subtle pale blue filter enhances areas of low contrast while avoiding significant reduction of overall image brightness. ... Meade Series 4000 Photo-Visual Color Filters may be ordered individually or in the following sets: . ... Meade Series 4000 Broadband Nebular Filters . ...

... We report on our ongoing project ``Infrared Study of HII Regions Associated with Small Clouds.' ... These IR data, combined with optical imaging (which will be obtained from the IAC-80 telescope), IRAS survey maps, and existing CO observations of the associated clouds, will allow us to undertake a detailed investigation of the gas-to-dust mass ratio, initial mass function and the star-formation efficiency in these complexes. ... CHECKPSF: check the PSF (Point Spread Function) model, . ...

... Three day radio-astronomical forecast of the proton activity of the Sun: The figure shows multiwave radio emission scans - graphs of the distribution of intensity I and circular polarization V across the solar disk, obtained at RATAN-600. ... According to this criterion, for a proton flare to arise, the flux of radio emission must be sufficiently high at short wavelengths (blue color scans) and should increase with time compared to the general intensity. ... More about the solar activity . ...

Class 1 Introduction, Background History of Modern Astronomy The Night Sky, Eclipses and the Seasons Kepler's Laws Newtonian Gravity General Relativity Matter and Light Telescopes Class 2 Solar System Characteristics Formation Exosolar Planets Class 3 Stars The Sun Stellar Evolution of Low and High Mass Stars Deaths of Stars Exotic Stars Class 4 Galaxies Galaxy Classification Formation of Galaxies Galactic Evolution ... So far, one planet has been studied by this method. ...

... Stars form in dense molecular clouds within galaxies. These clouds of dust and gas obscure the early stages of stellar formation from optical telescopes. ... Nebulae are simply clouds of interstellar gas and dust and appear either as dark regions blotting out background stars - the so-called dark or absorption nebulae or as brighter clouds of gas that emit or reflect light. ... Instead the cloud tends to fragment into smaller denser regions that each collapse to form star systems. ...

... inclusive or left to right For example, to create a mask consisting of a large circle with a smaller box removed, one can use the and and not operators: CIRCLE(11,11,15) !BOX(11,11,3,6) and the resulting mask is: 1234567890123456789012345678901234567890 ---------------------------------------- 1:1111111111111111111111.. 2:1111111111111111111111.. 3:11111111111111111111111.. 4:111111111111111111111111.. ... 6:1111111111111111111111111.. ... 1111111111111.. ... 22:111111111111111111111.. ...