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Loading contentThe central processor that runs a spacecraft — executing command sequences, controlling subsystems, and reacting to faults. Deep-space computers are radiation-hardened and modest by consumer standards, prizing reliability over speed.
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.