Issue Date: November 19, 2012
Space-based Probe To Measure Air Pollution
NASA has selected a proposal from the Smithsonian Astrophysical Observatory in Cambridge, Mass., to build the first space-based instrument to monitor major air pollutants across North America. The instrument—to be completed in 2017 at a projected cost of $90 million—will hitch a ride on a commercial satellite that will orbit Earth at about 22,000 miles above its surface. After being deployed, the space sensor will observe Earth’s atmosphere in . . .
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