At Space Launch Complex 2 on Vandenberg Air Force Base in California, an exhaust cloud builds around the United Launch Alliance Delta II rocket carrying NASA's Orbiting Carbon Observatory-2, or OCO-2, into space. Launch was on schedule at 5:56 a.m. EDT on July 2 following the repair of the pad's water suppression system, which failed on the first launch attempt July 1. OCO-2 is NASA’s first mission dedicated to studying atmospheric carbon dioxide, the leading human-produced greenhouse gas driving changes in Earth’s climate. OCO-2 will provide a new tool for understanding the human and natural sources of carbon dioxide emissions and the natural "sinks" that absorb carbon dioxide and help control its buildup. The observatory will measure the global geographic distribution of these sources and sinks and study their changes over time.
NASA/30th Space Communication Squadron
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