News tagged with ultraviolet rays

X-Ray Emission from Young Stars

( -- 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 old it has passed ...

dateFeb 05, 2010 in Astronomy
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Weathering System Cuts Product Testing Time

( -- 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 leap in technology ...

dateSep 28, 2009 in Engineering
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