News tagged with dirty snowballs
Swift satellite comet tally highlighted
Apr 24, 2009 |
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A montage of comet images made using NASA's Swift spacecraft illustrates just how different three comets can be. The images, including a never-released image of Comet 8P/Tuttle, were shown during a webcast ...
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Abducted children: Conventional photos alone don't aid the search
Medicine & Health / Psychology & Psychiatry
Oct 29, 2008 |
4 / 5 (1) |
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People's ability to recognise abducted children is impaired when they view a photo of a smiling, clean child, but come into contact with the same child whose appearance is very different because he or she is upset, crying, ...
Evidence for more dust than ice in comets
Oct 13, 2005 |
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Observations of Comet 9P/Tempel 1 made by ESA’s Rosetta spacecraft after the Deep Impact collision suggest that comets are ‘icy dirtballs’, rather than ‘dirty snowballs’ as previously believed.
Dirty snow may warm Arctic as much as greenhouse gases
Space & Earth / Earth Sciences
Jun 06, 2007 |
4.6 / 5 (16) |
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The global warming debate has focused on carbon dioxide emissions, but scientists at UC Irvine have determined that a lesser-known mechanism -- dirty snow -- can explain one-third or more of the Arctic warming ...
Mass. Senate debates needle law
May 02, 2006 |
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Massachusetts state senators are debating a bill that would legalize over-the-counter sales of hypodermic needles.
ER staffs: Gaps exist in hospital preparedness for dirty bombs
Oct 16, 2008 |
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Emergency room doctors and nurses around the nation worry that hospitals are not adequately prepared to handle casualties from a radioactive 'dirty bomb,' said researchers at the University of Alabama at Birmingham (UAB).
Study: Dirty windows aid air pollution
May 14, 2007 |
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Canadian scientists have determined dirty windows located in metropolitan urban areas might be hidden contributors to air pollution.
Detecting dirty bomb material with ESA gamma-ray technology
Oct 30, 2008 |
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Thanks to ESA and UK technology transfer support, a British company has developed a device based on the gamma-ray detection equipment used in ESA’s Integral astronomy satellite to detect and identify the radioactive ...
Snow slackers can be found around the world
Feb 04, 2009 |
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The streets were strangely quiet as I walked my daughter to school Tuesday morning. Baby stroller traffic jams are the norm in our south London neighborhood, nicknamed the "Nappy Valley" for its prodigious birthrate. But ...
Report: Most Americans in areas with unhealthy air
Apr 29, 2009 |
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(AP) -- Sixty percent of Americans live in areas with unhealthy air pollution levels, despite a growing green movement and more stringent laws aimed at improving air quality, the American Lung Association ...
Preparing for the Impact
May 30, 2005 |
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On July 4, 2005, the NASA Deep Impact spacecraft will visit Comet 9P/Tempel 1. It will launch a 360 kg impactor that should produce a crater on the surface of the comet and a plume of gas and dust. This exp ...
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