Viewpoint: Yes, the probability of collisions between operational spacecrafts (including satellites) or between spacecraft and existing debris is increasing, and the presence of nuclear-powered spacecraft makes any collision potentially disastrous.

Viewpoint: No, evidence shows that no one has ever been killed by space debris, and satellites and space vessels have very rarely sustained serious damage from impacts in orbit.

Just as an individual ship seems tiny compared to the immensity of the sea, or an airplane relative to the entirety of the sky, man-made satellites seem very insignificant in size compared to the vastness of space. The collection of material...