How do engineers manage the risk of radioactive material dispersal during the launch phase of a nuclear-powered mission?
Answer
By keeping the nuclear reactor in a cold, inactive state until it reaches a safe orbit.
To mitigate the risk of spreading radioactive material in the event of a launch failure, nuclear reactors are designed to remain cold and unactivated during the launch phase. The reactor is only turned on once the spacecraft has reached a safe, stable orbit. This ensures that the radioactive material remains securely sealed within its containment housing even if the launch vehicle malfunctions.
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