News tagged with dust

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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 ...

Oct 09, 2013
4.6 / 5 (7) 12 | with audio podcast

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. ...

Sep 13, 2013
not rated yet 0

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 ...

Sep 12, 2013
5 / 5 (2) 0 | with audio podcast

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 ...

Sep 10, 2013
4.8 / 5 (18) 15 | with audio podcast

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 ...

Sep 09, 2013
5 / 5 (6) 4 | with audio podcast

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 ...

Sep 03, 2013
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Asteroid deflection

Potential asteroid impact on Earth can have disastrous consequences. In order to prevent such collisions, earthbound space objects must be deflected. This can be accomplished using a space probe to impact ...

Sep 02, 2013
4.4 / 5 (7) 2