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Loading contentThe onboard and ground logic that detects failures and responds automatically to keep a spacecraft safe when the ground cannot react in time — vital across the long light-time to deep space.
Automatic detection of and response to spacecraft failures.
Facts on this topic will be cited from these primary and reference sources.
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.
Orbital data, ephemerides, and small-body parameters for planets, asteroids, and comets.