News tagged with ultraviolet rays

Microbes survive a year and a half in space

(PhysOrg.com) -- Bacteria collected from rocks taken from the cliffs at the tiny English fishing village of Beer in Devon, have survived on the outside surface of the International Space Station for 553 days. ...

Aug 25, 2010 report
5 / 5 (22) 7 | with audio podcast

X-Ray Emission from Young Stars

(PhysOrg.com) -- The star TW Hydrae is located about 150 light-years from earth in the direction of the constellation of Hydrae, the Water Snake. This star is relatively young -- at about 10 million years ...

Feb 05, 2010
5 / 5 (3) 0 | with audio podcast

Weathering System Cuts Product Testing Time

(PhysOrg.com) -- Engineers design a new auto paint, a better solar device or a sturdier vinyl siding. But how can they know if the new products deserve a five-year, 10-year or 30-year warranty? Better a ...

Sep 28, 2009
not rated yet 0

Ozone layer depletion leveling off

By merging more than a decade of atmospheric data from European satellites, scientists have compiled a homogeneous long-term ozone record that allows them to monitor total ozone trends on a global scale - ...

Sep 21, 2009
3 / 5 (4) 0

Massive Stars Near the Galactic Center

The Central Molecular Zone (CMZ) of our galaxy is a giant complex of molecular gas and dust situated in the innermost 700 light-years of the Milky Way. Although the galaxy is over 100,000 light-years in size, ...

Aug 28, 2009
4.3 / 5 (14) 7