NASA ends use of Tropospheric Emission Spectrometer (TES) – Satellite News Digest

On 31 January NASA ended the Tropospheric Emission Spectrometer’s (TES) almost 14-year operation. Launched in 2004 on NASA’s Aura spacecraft, TES was the first instrument designed to monitor ozone in the lowest layers of the atmosphere directly from space. Its high-resolution observations led to new measurements of atmospheric gases that have altered our understanding of the Earth system.

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