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Terra Milestone - 20 years of On-Orbit Operations

December 18, 2019 marked the 20 year anniversary of Terra launch. The MODIS instrument on-board the Terra spacecraft has well surpassed its design lifetime, but continues to acquire valuable science data. The images above are the MODIS first light (left) and the same region viewed earlier this year (right) show the continued consistency of the instrument over 20 years of successful operation.