How do you imagine that would happen? Even if a rocket fails catastrophically, pulverizing the nuclear waste, distributing it evenly across earth, how do you im

How do you imagine that would happen? Even if a rocket fails catastrophically, pulverizing the nuclear waste, distributing it evenly across earth, how do you imagine that would make the planet inhabitable? Is the planet inhabitable now, after all the atomic bombs that exploded and all the nuclear waste that went into the ocean? And what do you think drives the latest Mars rover, Perseverance?