... Image Processing Copyright: Oliver Czernetz - Data: Digitized Sky Survey (POSS-II) Explanation: Sometimes even the dark dust of interstellar space has a serene beauty. ... The filaments featured here can be found on the sky between the Pleiades star cluster and the California Nebula . ... Several bright stars are visible with their blue light seen reflecting off the brown dust. ... Publications with keywords: dust - Taurus . Publications with words: dust - Taurus . ... Dust of the Orion Nebula . ...

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• Scorpius in Red and Blue
• The Trifid Nebula in Red, White and Blue
• M78 and Reflecting Dust Clouds in Orion

... 2016 March 14 . Dark Nebulas across Taurus . ... Explanation: Sometimes even the dark dust of interstellar space has a serene beauty. ... Several bright stars are visible with their blue light seen reflecting off the brown dust. Other stars appear unusually red as their light barely peaks through a column of dark dust, with red the color that remains after the blue is scattered away. Yet other stars are behind dust pillars so thick they are not visible here. ... About APOD | ...

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• APOD: December 8, 1997 - The Trifid Nebula in Red, White and Blue
• APOD: 2012 May 25 - Scorpius in Red and Blue
• APOD: 2010 March 2 - M78 and Reflecting Dust Clouds in Orion

I was wondering what conditions should be met to have the "darkest" sky .. ... Upon the above publication of the Southern Galactic hemisphere, TunГ Tezel started seeking opportunities to create the Northern counterpart image. ... So, the initial quest of having the darkest possible sky have delivered us these two all-sky images of the two galactic hemispheres as seen from Planet Earth. Zoomable and 'full-screenable' fisheye view of the "darkest sky" Southern Galactic Hemisphere image. ...

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• The Brightness of the Night Sky

... 2000 April 24 . Reflection Nebula M78 . ... Explanation: An eerie blue glow and ominous columns of dark dust highlight M78, a bright reflection nebula in the constellation of Orion . The dust not only absorbs light, but also reflects the light of several bright blue stars that formed recently in the nebula. ... M78 belongs to the larger Orion Molecular Cloud Complex that contains the Great Nebula in Orion and the Horsehead Nebula . ... About APOD | ...

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• Hubble Observations Shed New Light on Jupiter Collision
• NASA's Observatorium--Image Gallery: Stars
• Dust in Spiral Galaxies

One of Planck's first images is shown as a strip superimposed over a two-dimensional projection of the whole sky as seen in visible light. ... The prominent horizontal band is light from our Milky Way galaxy. The Planck image shows how the sky looks at millimeter-long wavelengths. Red areas are brighter, blue areas are darker. The large red strips show the Milky Way. ... Planck is measuring the sky at nine wavelengths of light, one of which is shown here. ...

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• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B78CD630D-C628-450D-B70F-3DF9E53A29CD%7D
• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BE2E07AB9-06E2-49A4-9FBD-42EE5A7050B6%7D
• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B6800A612-2949-43C0-B06F-7B9C3B2FB7DD%7D

... This is a false color image of HR 4796A composed of visible and near-IR light (blue=STIS, green=1.71 micron, red=2.22 micron). It's red color is caused by dust grains that scatter light poorly in the visible and very efficiently in the near-IR. This images shows the debris disk around HD 61005, and a model of debris disk dust grains being blown by and interstellar wind. This work was a Goddard web feature (look there for a cool movie showing one of the models). ...

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• Dust disk around a black hole in galaxy NGC 7052
• The Hubble Deep Field - version 2 scattered light subtraction
• Dr. Adam Riess - Dark Energy

... 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 . ...

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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 . ...

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• Low Surface Brightness Galaxy Gallery
• Galaxy Gallery Page II

home publications > mercury . SEARCH ASP SITE: Match ALL words Match ANY word . ... ASP Conference Series . ... IAU Publications . ... Publications of the ASP (PASP) . ... Editorial: Out of the Dark Blue . ... My car was dead, a dark, jagged hulk alien to the surrounding smoothness of a late winter afternoon. ... Out of the dark blue it had come. ... Ahh, it was only a balloon. ... It came from behind me, following the road north. ... How does one communicate with something one does not know? ...

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• ASP: The Sun's Red Pajamas
• ASP: There's More to Light Than Meets the Eye
• ASP: Making a Rainbow

... a spiral galaxy some million light years away, made by combining images . ... 1st February using the Armagh Robotic Telescope at the Armagh Observatory. ... Image credit: Simon Jeffery. Astronomers Simon Jeffery and Jack Wright have obtained their first images of deep-space objects using a new тАЬroboticтАЭ telescope at Armagh Observatory. ... Simon Jeffery, project scientist for the new telescope, said: "After two years of hard work, it is very satisfying to see the first images looking so good. ...

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• Objects in the Sky

... 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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• The Pleiades
• Diffuse Galactic Light in the Large Magellanic Cloud
• M42 Color Images

... Armagh Planetarium . ... Universe . ... Posted on October 1, 2010 | ... Before the modern era of technological astronomy, to know anything [ ] . Continue Reading.. ... 2 Comments In, say 1975, there was only one kind of ?stuff? in the Universe, matter made of protons and neutrons. ... Newer Entries . Hello, IтАЩm Colin, welcoming you to Astronotes, the PlanetariumтАЩs official blog. Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...