News tagged with emission line
'Look Mom No Electricity': Transmitting Information with Chemistry
Chemistry / Analytical Chemistry
Jun 19, 2009 |
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(PhysOrg.com) -- While information technology is generally thought to require electrons or photons for transmitting information, scientists have recently demonstrated a third method of transmission: chemical ...
Young stellar objects: The source of gas emission around Herbig Ae/Be stars
Oct 10, 2008 |
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This week, Astronomy & Astrophysics is publishing new observations with AMBER/VLTI of the gas component in the vicinity of young stars. An international team of astronomers led by E. Tatulli (Grenoble, France) and S. Kra ...
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Maps Unveil the Source of Starburst Galaxy's Winds
Nov 18, 2009 |
5 / 5 (8) |
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(PhysOrg.com) -- A research group at Kyoto University has discovered that shocks are the primary energy sources that excite the galactic wind region of starburst galaxy NGC 253. Their images of the center ...
XMM-Newton takes astronomers to a black hole's edge
May 27, 2009 |
4.9 / 5 (9) |
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(PhysOrg.com) -- Using new data from ESA's XMM-Newton spaceborne observatory, astronomers have probed closer than ever to a supermassive black hole lying deep at the core of a distant active galaxy.
Studying a Star Before it is Born
Dec 04, 2009 |
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(PhysOrg.com) -- The first phase of a star's formation are thought to begin deep inside a natal cloud of gas and dust. In the earliest stages, material coalesces under the influence of gravity into so-called ...
Black hole sheds light on a galaxy
Apr 18, 2008 |
4.6 / 5 (25) |
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A light echo occurs when interstellar gas is heated by radiation and reacts by emission of light. An international team led by Stefanie Komossa from the Max Planck Institute for extraterrestrial Physics in ...
Astronomers get best view yet of infant stars at feeding time
Oct 10, 2008 |
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Astronomers have used ESO's Very Large Telescope Interferometer to conduct the first high resolution survey that combines spectroscopy and interferometry on intermediate-mass infant stars. They obtained a ...
Suzaku catches retreat of a black hole's disk
Dec 10, 2009 |
4.5 / 5 (16) |
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(PhysOrg.com) -- Studies of one of the galaxy's most active black-hole binaries reveal a dramatic change that will help scientists better understand how these systems expel fast-moving particle jets.
Most Distant Water in the Universe Found
Dec 17, 2008 |
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(PhysOrg.com) -- Astronomers have found the most distant water yet seen in the Universe, in a galaxy more than 11 billion light-years from Earth. Previously, the most distant water had been seen in a galaxy ...
Red sky at night -- astronomers delight
Dec 10, 2007 |
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A collaboration of over 50 astronomers, The IPHAS consortium, led from the UK, with partners in Europe, USA, Australia, has released today the first comprehensive optical digital survey of our own Milky Way. Conducted by ...
No matter their size black holes 'feed' in the same way
Dec 06, 2006 |
4.4 / 5 (9) |
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Research by UK astronomers, published today in Nature reveals that the processes at work in black holes of all sizes are the same and that supermassive black holes are simply scaled up versions of small Galact ...
Samsung Goes Brave New World With 40-Inch OLED Panel
Electronics / Consumer & Gadgets
Oct 30, 2008 |
4.6 / 5 (40) |
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(PhysOrg.com) -- Samsung showed off its 40-inch OLED panel at FPD International in Yokahama, Japan. It is a work in progress with a full HD resolution of 1920 x 1080, a contrast ratio of a million to one and ...
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