ARCTAS Arctic Research of the Composition of the Troposphere from Aircraft and Satellites Type Airborne Science Launch April-July 2008 Target Earth Objective Study changes in the Arctic climate Learn more about ARCTAS Keep Exploring Discover More from Earth Science Explore Earth Science Earth Science at Work NASA Earth Science helps Americans respond to challenges and societal needs — such as wildland fires, hurricanes, and water supplies… Earth Science Missions In order to study the Earth as a whole system and understand how it is changing, NASA develops and supports… Earth Science Data Open access to NASA’s archive of Earth science data
