News tagged with dust particle

Tracing ultra-fine dust

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 ...

Oct 05, 2009
3.5 / 5 (2) 0

The trilogy is complete -- GigaGalaxy Zoom Phase 3

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 ...

Sep 28, 2009
4.5 / 5 (8) 1

Colors of Quasars Reveal a Dusty Universe

(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 ...

Feb 26, 2009
4.8 / 5 (12) 8

A dust factory around a dead star

(PhysOrg.com) -- A team of astronomers, led by Loretta Dunne from the University of Nottingham, have found some very unusual stardust. In a paper to be published in Monthly Notices of the Royal Astronomical ...

Feb 24, 2009
4 / 5 (6) 8