In simple terms a good space program. More sensors, more tracking objects, and the ability to get mass anywhere in the solar system to give an object a small n

In simple terms a good space program. More sensors, more tracking objects, and the ability to get mass anywhere in the solar system to give an object a small nudge well ahead of impact. Neil deGrasse Tyson has made many similar comments, one quote “Dinosaurs are extinct today because they lacked opposable thumbs and the brainpower to build a space program.”