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NASA’s TESS Returns to Science Operations [1]

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Date: 2024-05

The operations team determined this latest safe mode was triggered by a failure to properly unload momentum from the spacecraft’s reaction wheels, a routine activity needed to keep the satellite properly oriented when making observations. The propulsion system, which enables this momentum transfer, had not been successfully repressurized following a prior safe mode event April 8. The team has corrected this, allowing the mission to return to normal science operations. The cause of the April 8 safe mode event remains under investigation.

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[1] Url: https://science.nasa.gov/missions/tess/nasas-tess-temporarily-pauses-science-observations/

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