# cosmos

Western wildfire smoke has wafted cross-country & out over the Atlantic Ocean: http://t.co/3iqHLQf2tu

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2015-09-01

GRACE, our scale in the sky measuring water & ice, celebrates 13 years in orbit http://t.co/BTFcG59tqt

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2015-03-18

As seen on CO2, a greenhouse gas in Earth's atmosphere: http://t.co/OSMRveAYk6  

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2014-06-02