Projects

TES is a spectrometer that measures the infrared-light energy (radiance) emitted by Earth's surface and by gases and particles in Earth's atmosphere.

As one of the four instruments aboard NASA's Aura satellite, TES is helping to monitor air pollution, unravel the processes that control air quality, and determine how Earth's climate is changing. TES focuses on the troposphere, the layer of atmosphere in which we live. It enables scientists to measure air quality on a local, regional, and global scale, beyond what is possible with ground-based stations.