Solar radiation enters the Earth's atmosphere with a portion being scattered by clouds and aerosols.

Processing, archiving and distributing Earth science data
at the NASA Langley Research Center

Terra is in NORMAL Mode

Terra is in NORMAL Mode

Monday, February 22, 2016

Updated Status on Terra Anomaly as of 10pm February 22, 2016.

 TERRA has recovered from Safe Hold and is now in Normal mode. CERES will hold their CAM Wednesday morning and will return to Crosstrack around 18:00 GMT (1:00 PM) local. 


As of early Thursday, February 18, 2016, the Terra satellite began operating in safe mode. Terra carries five scientific instruments: ASTER, CERES, MISR, MODIS, and MOPITT. You can learn more about this mission at the Terra web site. The Flight Operations Team is working on resolving the issue as quickly and safely as possible. Updates will be available once it is resolved.