Redundancy
In space and astronautical engineering, redundancy refers to the duplication of critical components or systems in a spacecraft or satellite to ensure that the failure of one component or system does not result in the failure of the entire mission. Redundancy is essential in space missions due to the harsh and unpredictable environment of space, where repairs or replacements are often impossible. Redundancy can be achieved through various means, such as duplicating entire systems, using backup systems, or incorporating multiple sensors or instruments to perform the same function. The level of redundancy required depends on the criticality of the component or system and the mission objectives.
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