News tagged with dust particles

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Artist concept of Stardust.

'Ultra-primitive' particles found in comet dust

Space & Earth / Space Exploration

created Nov 02, 2009 | popularity 4.9 / 5 (9) | comments 2

Dust samples collected by high-flying aircraft in the upper atmosphere have yielded an unexpectedly rich trove of relicts from the ancient cosmos, report scientists from the Carnegie Institution. The stratospheric ...


Electrostatic surface cleaning

Electrostatic surface cleaning

Technology / Engineering

created Oct 07, 2009 | popularity not rated yet | comments 0

It's often the little things that count in industrial manufacturing processes. Particles less than half the diameter of a hair in size can significantly impair quality in production. For example, there should ...


Largest Ring Around Saturn

Largest Ring Around Saturn Discovered

Space & Earth / Astronomy

created Oct 07, 2009 | popularity 4.6 / 5 (31) | comments 12

(PhysOrg.com) -- NASA's Spitzer Space Telescope has discovered an enormous ring around Saturn -- by far the largest of the giant planet's many rings.


Tracing ultra-fine dust

Tracing ultra-fine dust

Technology / Engineering

created Oct 05, 2009 | popularity not rated yet | comments 0

Limit values for fine dust emissions are based on total particle weight. It is the ultra-fine particles, however, that are particularly harmful to health. A new technique separates them by size and identifies ...


The discovery of new Earths is imminent, UD astronomer says

The discovery of new Earths is imminent, UD astronomer says

Space & Earth / Astronomy

created Sep 28, 2009 | popularity 4 / 5 (16) | comments 4

(PhysOrg.com) -- Harry Shipman, Annie Jump Cannon Professor of Physics and Astronomy at the University of Delaware, told the audience for his lecture, “Seeking New Planets,” on Saturday evening, Sept. 26, ...


The trilogy is complete -- GigaGalaxy Zoom Phase 3

The trilogy is complete -- GigaGalaxy Zoom Phase 3

Space & Earth / Astronomy

created Sep 28, 2009 | popularity 4.5 / 5 (8) | comments 1

The newly released image extends across a field of view of more than one and a half square degree — an area eight times larger than that of the full Moon — and was obtained with the Wide Field Imager attached ...


Night Time Artificial Cloud Study Conducted

Night Time Artificial Cloud Study Conducted

Space & Earth / Earth Sciences

created Sep 21, 2009 | popularity 4 / 5 (1) | comments 0

A rocket experiment that may shed light on the highest clouds in the Earth's atmosphere was conducted September 19 from NASA's Wallops Flight Facility in Virginia.


Warped debris disks around stars are blowin' in the wind

Warped debris disks around stars are blowin' in the wind (w/ Video)

Space & Earth / Astronomy

created Aug 28, 2009 | popularity 4.3 / 5 (3) | comments 1

(PhysOrg.com) -- The dust-filled disks where new planets may be forming around other stars occasionally take on some difficult-to-understand shapes. Now, a team led by John Debes at NASA's Goddard Space Flight ...


MSU scientists to design optics for new solar mission

MSU scientists to design optics for new solar mission

Space & Earth / Space Exploration

created Jul 24, 2009 | popularity 5 / 5 (1) | comments 1

(PhysOrg.com) -- Montana State University scientists are involved in a new space mission to figure out how energy is transferred through the sun's atmosphere.


Massive dust storm in China circled the world in 13 days: study

Space & Earth / Earth Sciences

created Jul 20, 2009 | popularity 4.5 / 5 (4) | comments 1

A wind storm that ripped across western China's Taklimakan desert kicked up hundreds of thousands of tonnes of dust that high-altitude winds then carried around the world in less than two weeks, a study says.


Glorious Orion: UKIRT helps reveal chaotic and overcrowded stellar nursery

Glorious Orion: UKIRT helps reveal chaotic and overcrowded stellar nursery

Space & Earth / Astronomy

created Apr 20, 2009 | popularity 4.7 / 5 (6) | comments 0

(PhysOrg.com) -- Astronomers using the United Kingdom Infrared Telescope (UKIRT) in Hawaii, the IRAM Millimetre-wave Telescope in Spain, and the Spitzer Space Telescope in orbit above the Earth, have completed ...


Clouds: Lighter than air but laden with lead

Atmospheric lead causes clouds to form more easily, could change pattern of rain and snow

Space & Earth / Earth Sciences

created Apr 19, 2009 | popularity 4.6 / 5 (8) | comments 15

(PhysOrg.com) -- By sampling clouds -- and making their own -- researchers have shown for the first time a direct relation between lead in the sky and the formation of ice crystals that foster clouds. The ...


Dust may settle unanswered questions on Antarctica

Space & Earth / Earth Sciences

created Mar 29, 2009 | popularity 4.8 / 5 (13) | comments 8

Dust trapped deep in Antarctic ice sheets is helping scientists unravel details of past climate change.


Colors of Quasars Reveal a Dusty Universe

Space & Earth / Astronomy

created Feb 26, 2009 | popularity 4.8 / 5 (12) | comments 8

(PhysOrg.com) -- The vast expanses of intergalactic space appear to be filled with a haze of tiny, smoke-like "dust" particles that dim the light from distant objects and subtly change their colors, according to a team of ...


Unexpected discovery could impact on future climate models

Unexpected discovery could impact on future climate models

Space & Earth / Earth Sciences

created Feb 10, 2009 | popularity 3.7 / 5 (26) | comments 11

(PhysOrg.com) -- Astronomers have made an unexpected find using a polarimeter (an instrument used to measure the wave properties of light) funded by the Science and Technology Facilities Council (STFC), that ...