News tagged with dust

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Research maps where stars are born

(Phys.org) —A University of Arizona-led group of astronomers has completed the largest-ever survey of dense gas clouds in the Milky Way – pockets shrouded in gas and dust where new stars are being born.

dateOct 14, 2013 in Astronomy
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A close look at the Toby Jug Nebula

ESO's Very Large Telescope has captured a remarkably detailed image of the Toby Jug Nebula, a cloud of gas and dust surrounding a red giant star. This view shows the characteristic arcing structure of the ...

dateOct 09, 2013 in Astronomy
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Tracking dust across the Atlantic

Hundreds of millions of tons of dust are picked up from the deserts of Africa and blown across the Atlantic Ocean each year. That dust helps build beaches in the Caribbean and fertilize soils in the Amazon. ...

dateSep 13, 2013 in Earth Sciences
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Pulsating dust cloud dynamics modeled

The birth of stars is an event that eludes intuitive understanding. It is the collapse of dense molecular clouds under their own weight that offers the best sites of star formation. Now, Pralay Kumar Karmakar from the Department ...

dateSep 12, 2013 in Astronomy
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Near-Earth asteroid is really a comet

Some things are not always what they seem—even in space. For 30 years, scientists believed a large near-Earth object was an asteroid. Now, an international team including Joshua Emery, assistant professor ...

dateSep 10, 2013 in Space Exploration
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Tiny dust particles in the solar system

(Phys.org) —In our solar system, dust particles are abundant, created by asteroid collisions and by the evaporation of comets. These particles are the source of the zodiacal light, a diffuse glow in the ...

dateSep 09, 2013 in Space Exploration
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Loess landscapes could be major source of dust

Dust, which affects weather and climate and can be hazardous to health, can be generated when sand or silt grains are either dislodged from the surface by other windblown grains (saltation) or lifted by wind directly (direct ...

dateSep 03, 2013 in Earth Sciences
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