Prototype Space Sensors Take Test Ride on NASA ER-2

Scientists recently completed test flights with prototypes of potential satellite sensors over the Western United States probing basic science questions about aerosols, clouds, air quality and global ocean ecosystems.

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The cock-pit view finder in the ER-2 shows a controlled fire burning near Flagstaff, Arizona on Nov. 7, 2017. This small fire event offered the ACEPOL science team a different test environment to observe with the polarimeter and lidar instruments onboard the aircraft. Credits: NASA / Stu Broce
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ACEPOL