Wednesday, 30 September 2015

NASA: Background Ozone a Major Issue in U.S. West

In parts of Northern California, background ozone levels already account for more than three-quarters of total ozone

New technique more accurately determines the sources of ozone in a given area.





from News and Features - NASA's Jet Propulsion Laboratory http://ift.tt/1O05pR3
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NASA Astronaut Chris Williams, Crewmates Return from Space Station

The Soyuz MS-28 spacecraft is seen as it lands in a remote area near the town of Zhezkazgan, Kazakhstan with Expedition 74 NASA astronaut Ch...